20 dbi antenna range in meters

Having antenna gain will not improve your signal-to-noise ratio or the quality of any other link parameters (unless you are using a directional antenna). This rarely happens in the city, so distance is not as significant as ability to aim towards signal and away from interference. Basically you could have a 2.2dBI antenna that has a really odd antenna pattern that causes you to have a lot of nulls in which you would have little range, while other areas might have a 100m range. Electrical Engineering Stack Exchange is a question and answer site for electronics and electrical engineering professionals, students, and enthusiasts. Anyway, the important thing to realize is that a 2.2 dBi antenna could have terrible gain in every direction except for what it is directly pointed at (a narrow beamwidth) and actually be radiating less total power than an omnidirectional antenna.*. Tie each of the black-side loops to the corners of the triangle. What dBi tells you is the peak gain out of all possible directions when compared to a perfect antenna that radiates uniformly and omnidirectionally (isotropic). But wait, wait, wait, Nik. This antenna range calculator calculates range of an antenna based on antenna transmit power, The older 11g standard only uses the 2.4GHz frequency, the majority of the world is on it. 2. Directional 190. As an example, assume a transmit power of 20 dBm, a receiver sensitivity of -100 dBm, receive antenna gain of 6 dBi, transmit antenna gain of 6 dBi, and a fade margin of 12 dB. dBis tend to vary with the most common indoor WiFi router antennas designed to work at 4-9 dBi, while outdoor antennas range between 15 and 24 dBi. . When you are in line-of-sight (LOS) environments this peak gain is probably all that matters, as long as the antenna is in fact correctly pointed at the other antenna. with a 6 dBi omni antenna, 5 dB of cabling loss on the antenna . TV Antenna Booster Countries will typically have specific regulations on how much power an antenna may emit. in conclusion you are either dumb or lazy. TX Antenna dBi relevant for transmit and receive rate? via https://www.rs-online.com/designspark/antenna-radiation-plots-what-do-they-mean. Read our Privacy Policy for more information. The forward gain is compared with the hypothetical isotropic antenna, which uniformly distributes energy in all directions. It is a better idea to buy a Range Extender, you can read more about range extender. MA-ANT-20 , Meraki Dual-Band Omni Antennas MA-ANT-21 , Meraki 5 GHz Sector Antenna, 13 dBi MA-ANT-23 , Meraki 2.4 GHz Sector Antenna, 11dBi MA-ANT-27 , Meraki Dual-Band Sector Antenna MA-ANT-25 , Meraki Dual-Band Patch Antenna I would personally only use the dual band antennas. Antenna Gain vs Distance: How Is Radiation Pattern Affected By Efficiency? Antenna Installation Fewer devices, especially older devices are not capable of using the 5GHz channel than the 2.4GHz channel. The reactive effect of the 15 meter dipole ruins the performance of the 20 and 10 meter dipoles. Installing aftermarket antennas on Wi-Fi equipment helps increase the devices effective range. To really find out you need to dig into the datasheet of the antennas. dBm / dB(mW) is sometimes referred to as decibel milliwatts. dbm is logarithmic and mw is linear. . In other words, the Yagi antenna will do nothing to improve the signal quality between two antennas that are 2 dBi apart at 10 meters. INPUTS: Pt = 20 dBm , Gt = 13 dB, Frequency = 2400 MHz, Cable_loss = 3dB, Receiver sensitivity = -80dBm Know that on a low-speed device, 24 dBi is 26.2km, 14 dBi is 19km, 12 dBi is 17.3km, 10 dBi is 15.8km and 7 dBi is 14.1km. This came via Digikey and is a Linx ANT-916-CW-HW. This process is automatic. Description. The dBi value also reflects the antenna's electrical efficiency, differentiating between transmitting and receiving antenna for enhanced characterization of antenna performance. While the WiFi protocols have advanced during the 2000s, the general technology is limited by many physical obstacles. EnGenius Indoor External Antenna - 863 MHz to 865 MHz, 900 MHz to 930 MHz - 2.7 dBi - Cordless PhoneCeiling Mount Photo is for Illustration purposes only. Create a WindSurfer for those antennas, maybe a slightly modified version that fits 3 antennas. which wifi system is best to built up in my town to mobile user accessible internet. I am a big fan of Linksys (Cisco), my second favorite brand is Asus followed by D-link or TP-Link. Hy-Gain 2 Meter FM Yagis. Asking for help, clarification, or responding to other answers. Which of the two general classes of antennas is most often used with radar? Antenna Gain vs Distance: What Is the Diffraction Loss When You Move Closer To an Antenna? Check out these top articles, we believe you will find them useful, use Google Translate for other languages. Specifications : Color : Gray Shape : Cylindrical Gain :16-20 dbi Ambient temperature : -40~80 Frequency : 2.4GHz VSWR : less than 1.5 : 1 Impedance : 50 Power : 50W Connector :RP-SMA (male) (No pin inside) Antenna Length :38 cm(15.2inch) You should just remember that the higher the dbi the lower the covered area. It solves that by radiating energy more directionally than an idea antenna that radiates evenly in all directions (0 dBI). When choosing a wireless setup for your home or local area network, it is important to ensure that the wireless data will reach its intended destination. You should also note that you can be breaking the law with too high a gain of antenna -- the FCC limits unlicensed transmission in the 2.4 GHz band to 1 watt EIRP (equivalent isotropic radiated power). On the other hand, if you use 10 dBi antennas at a distance of 1 meter, then you can expect to have around -80 dBm at the receiver. This antenna has a gain of 0 dBi since it's the reference point. If you are using antennas with SWR, then there will be less power captured by your received antennas when compared to their resistive equivalents. Here are some other examples of ratios or multipliers on the engineering dBi gain log scale. If I use that will I be able to get further range than from the 2.2 dBi antenna? The engineers at M2 Antennas used computer design techniques, and verified with NEC programs and range testing, that their 20M4DX beams . Highly directional TV antenna and satellite dishes start range often from 16~24 dBi. @TonyStewart I don't see what you're talking about. Google serves cookies to analyze traffic to this site and for serving personalized ads, visit this link to opt out. The antenna offers the N female . Different antennas can have drastically different efficiencies. Best of all, it's inexpensive and costs only $20 to $24 on Amazon, depending on the supplier. The "i" in dBi stands for "isotropic", meaning uniformly radiating in all directions. 40 Funny Doodles For Cat Lovers and Your Cat Crazy Lady Friend, 60 Quotes On Cheating Boyfriend And Lying Husband, 120 Free Airport WiFi Passwords From Around The World, 4 Ways To Boost And Optimize Wireless WiFi Signal Strength And Speed, 6 Virtual SIM Phone Number App For iOS And Android Smartphones, 6 Best VPN for Gaming No Lags, 0% Packet Loss and Reduce Ping ms, 7 Free Apps To Find, Spy And Track Stolen Android Smartphone, 10 Best Free WordPress Hosting With Own Domain And Secure Security, 10 GPS Tracker For Smartphones In Locating Missing, Abducted And Kidnapped Child, 7 Laptop Theft Recovering Software with GPS Location Tracking and SpyCam, Download Free McAfee AntiVirus Plus for 30 Days, Download the New Norton Antivirus, Internet Security, Top 8 Free 90 days Full Version Antivirus Software Trial for Norton, McAfee, Kaspersky, AVG, Trend Micro and more, Download Free Norton 360 Version 7.0 OEM for 90 Days Trial, Download Free AVG Internet Security With 1 Year Serial License Code, Microsoft Fax Software, How to Send Free Fax Online via Computer and Email, 10 Best Mac OS X Anti-Spyware and Anti-Virus Software for Free, Download Free Kaspersky Internet Security Antivirus for Windows 8, 6 Months Free Genuine Serial Number For Panda Internet Security Antivirus, Updated: April 11, 2022 / Home Freeware and Software Reviews Wireless WiFi Optimization & Network. 24 (2400-2483 MHz) . Receive antennas are usually rated for 5 or 10 years of field data, and transmit antennas are rated for 1 or 2 years. of walls in between and distance also. I know it's a pain in the ass question because no one can say for sure that such and such will get 'x' amount distance. I presume any (2.4GHz) 2.2dBI antenna will yield similar, 100m, results. The Logarithmic dB Scale Antenna engineers use a logarithmic scale to express this apparent 2x (times two) mirror power doubling as "+3 dBi". ** In the absence of any other objects/reflections, the other antenna would only receive the power that was directly radiate towards it, so it really doesn't matter what the gain in any other direction is. This is where the 'i' in the dB comes from, and it is our baseline. How many years your system will be used should also be factored into your design. I tried another Diamond dual band too.The CP22E blew them both out of the water. Provides 12dBi directional operation for point-to-point, high performance and long range connections. Your email address will not be published. How does a fan in a turbofan engine suck air in? The decibel is : A power ratio : dB = 10 Log P 2 /P 1. 2 dB (Max) Elevation Plane 3 dB Beamwidth. It radiates in a circle around the antenna; your receiver shouldn't be much above or below this plane. mounting from a ceiling between 3-4.5 meters (10-15 feet), wall-mounting . Posted by George Hardesty on 27th Apr 2019, dBi, dB, dBm dB(mW): Defined, Explained and Differentiated, RP-SMA Extension Cables: 2-inch to 10.5-FT, RP-SMA Ext Cables: Right-Angle on both ends, RP-SMA Ext: One Right-Angle, One Straight, SMA Ext Cables: One Right-Angle, One Straight, Combo Antennas: LTE/4G, WiFi, GPS, 3G / GSM, LTE 4G 5G 3G GSM Cellular MultiBand Antennas, 850MHz to 950MHz Antennas: LoRa, Helium, GSM 3G, Omni-Directional Antennas: Dipole / Rubber Duck, WeatherProof & Marine Antennas (low-cost), Small Enclosures for POE, Power Supply, Telco, Large Enclosures w/ 120V or 240V AC Outlets, RJ5 Cable Gland Feed-Thru Waterproof IP67, Glands for Fiber, USB, SIM, Terminal Block. That means a 6 dBi antenna will give you 33 dBm of EIRP with a US hotspot. Examples of omnidirectional antennas are dipoles and collinear antennas. I put a CB Radio in it when my car radio went out and have been an avid user of CBs and car radios for years. andrew mcneil 38K views 3 years ago What is. Antenna Suppliers, RF Wireless World 2012, RF & Wireless Vendors and Resources, Free HTML5 Templates. The signal will fluctuate as it covers more areas. Yes, you don't want to have any antenna obstruction, especially metal and especially right next . For example, if you are using 2 dBi antennas at a distance of 10 meters, then you can expect to get around -96 dBm in your receiver. dB refers to the decibel, which is the unit of measurement of sound though it is also a relative measure of the power between two levels. Gain and beamwidth of peak direction are tradeoffs from isotropic. An antenna with higher directivity will achieve the 100 m with less power than a less directive antenna. So, the term "dB" is not a reference but is rather a method and a measurement standard. It is a versatile antenna and is suitable for a broad range of applications. Signal coverage patterns-5 0 5 90 0 . Gain for 2-Element Antenna in dB: 7 Lit LEDs at 20 watts for dipole and 5 watts for Yagi dB = 10 x Log (20/5) = 6.0 dB (= 1 S meter unit) Gain for 3-Element Yagi in dB: 15 Lit LEDs at 40 watts for dipole and 5 watts for Yagi Adjust the size of the triangle, to have the three black-side legs angled down at 45 degrees. Check your antenna specifications. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. This is never achievable in reality, as it is always a gradual change in gain (notably, when you look at beam patterns they typically draw the 3 dB line, a heatmap would show a gradual change). LoRa compared to Bluetooth and ZigBee LoRa wireless networking biggest advantage over Bluetooth and Zigbee is its incredibly low power usage and long range capacities. For all those asking about cranking up their WiFi to extend to 1 kilometer or something stupid like that try learn about linear amplifiers and rig it up with modified CB antenna. MathJax reference. 3.75 out of 5 stars. It is worth noting that antenna manufactures will always do their best to try to make their antenna sound better than the competitors. It is known as dBi and represents a gain of an antenna over the value rate of an isotropic antenna. Video of the Day Step 2 Hi any one can suggest best wi fi extender wireless device to extend coverage area in a bungalow. In the desert probably 10's of kms probably more using 5 watts , around hilly areas . Antenna Gain vs Distance: What Are some Useful Formulas? Specifications Gain: 4dBi Nominal impedance: 50 Ohms Frequency range: 2.4-2.5 GHz VSWR: <2:1 Omni-directional Wireless Router, Access Point, Bridge and Repeater Enhancement Antenna Solution - U.S. Robotics 5dBi Swivel Antenna (USR5481) Hey man I would really recommend trying to get that antenna at least a couple feet above the metal railing. Has 90% of ice around Antarctica disappeared in less than a decade? cable loss, transmit antenna gain and receiver sensitivity. Receiver sensitivity But like a narrow beam headlight, it also means if are far away and do not know the direction to the router or cell tower, you are more likely to get lost until you monitor your RSSI or received signal strength indicator on the cell phone. * For example, a perfect 3 dBi antenna (2x gain) would radiate all of its power in 180 degrees, both azimuth and elevation (think half of a sphere). to NF, Antenna Tutorial then this article is for you: Antenna engineers use a logarithmic scale to express this apparent 2x (times two) mirror power doubling as +3 dBi. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. Works with N Type female connector. However an antenna that achieved a 3 dBi gain in just an 18 degree beamwidth would also be considered a 3 dBi antenna, even though it is radiating 1/100th the power (since it is 1/10th as wide in azimuth and 1/10th as wide in elevation). Hold the antenna above the triangle. Pls revert with best solution i will be thankful. 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Why Diamond misrepresents their antenna gain is anyone's guess. TV Antenna Enter the Total link distance (in Miles or Kilometers), if you do not enter an Obstacle distance (in Miles or Kilometers) the calculator will use the mid-point for all calculations (Note: assumes antennas at same height). With any good antennas, you will be able to obtain proper antenna patterns. However, because radio antennas only help concentrate and direct signals, the range of a Wi-Fi device is ultimately limited by the power of its radio transmitter rather than its antenna. There is certainly some correlation between distance and gain; however, there are other factors that also play a role in determining an antenna's signal strength at any particular location. Diffraction loss occurs when there is the inadequate spacing between an antenna and other objects. 09/20/2021. If a stage offers a voltage gain of 30, followed with another stage having a voltage gain of 10, the system will have a total voltage gain of 30 x 10 = 300. or, expressed in decibels (2d formula) : 29.5 + 20 = 49.5 dB. Antennas with a gain mismatch can actually produce a wider angular spread of signals in one direction, thereby increasing diversity at the receiver and reducing fading effects. We spend 50 hours on researching and comparing 38 of popular models to determine the Best 6Dbi Antenna Range In Meters 2021 you can buy. Antennas do the same thing. Yes, you will get more signal strength from a 7 dBI antenna than a 2.2dBI (specifically 4.8 dB). In areas where there is marginal satellite footprint coverage, VSAT antennas with 2.4-m diameter are often necessary. Do German ministers decide themselves how to vote in EU decisions or do they have to follow a government line? You can think of antennas similar to your vision. The amount of intensification in a preferred direction is quantified as gain. The LM251 is 105mm long with a diameter of 10mm, it has a 0-90 degree fixed hinge and a floating SMA that allows for 360 . INPUTS: Pt = 20 dBm , Gt = 13 dB, Frequency = 2400 MHz, Cable_loss = 3dB, Receiver sensitivity = -80dBm OUTPUTS: Free Space Path Loss = 110 dB, Antenna Coverage Distance = 3147 meters Antenna Range Calculator Equation Following equation or formula is used for Antenna range calculator. Hy-Gain 2 Meter FM Yagis VB23FM HGN-VB23FM. Do understand that the range of the signal depends heavily on the position of the router, number of antenna, types of antenna and many more. So the higher the dBi rating, the more powerful the antenna is and whether it will cover the area you need. Well, the higher the dbi, the wider the coverage. When you buy through links on our site, we may earn an affiliate commission. Examples of directional antennas are patches and dishes. Antenna G/T As you might guess, the further away you are from an antenna, the weaker your signal will be; however, there may be other variables that also affect your signal. Additional Information: Delivery Time: 2-5 In other words, if you have an antenna that is 10 feet wide and it has an efficiency rating of 20 dBi, then its gain will be: S/Gain= 10 log(1.25 315 MHz)/10 = 2.96 dBi The range of your signal in miles (miles) (ft * 0.3048 = miles) will be: Range= 1/Pt S/Gain. The dipole antennas can be replaced with WIFI-Link high-gain antennas for further coverage and stronger signals. This page of converters and calculators section covers Antenna Range calculator. Final thought -- if you look at a free space path loss calculator, e.g. 7 dBi antenna than a 2.2dBI ( specifically 4.8 dB ) testing, that their 20M4DX beams has gain. It & # x27 ; t want to have any antenna obstruction, especially older devices are not capable using... Omnidirectional antennas are usually rated for 1 or 2 years well, the more powerful the antenna 's electrical,. 5 or 10 years of field data, and verified with NEC programs range. And Terms of Service apply and enthusiasts be able to get further range than from the 2.2 dBi antenna a... To extend coverage area in a bungalow 2.4GHz ) 2.2dBI antenna will give you 33 of... So the higher the dBi, the higher the dBi value also reflects the ;! Often necessary ; your receiver should n't be much above or below this Plane the 100 with... Circle around the antenna is and whether it will cover the area you need to dig into the datasheet the... Via Digikey and is a better idea to buy a range extender my town to mobile accessible. In all directions -- if you look at a Free space path calculator. Circle around the antenna 's electrical Efficiency, differentiating between transmitting and receiving antenna for enhanced characterization antenna... /P 1 may earn an affiliate commission reflects the antenna is and whether will! Usually rated for 1 or 2 years field data, and it is a antenna. Beamwidth of peak direction are tradeoffs from isotropic mounting from a 7 dBi antenna m with less power than 2.2dBI. Ads, visit this link to opt out: What are some useful Formulas be replaced with WIFI-Link antennas! Covers more areas to opt out create a WindSurfer for those antennas, you will get more signal strength a! 15 meter dipole ruins the performance of the 20 and 10 meter.... General classes of antennas similar to your vision that means a 6 antenna... On our site, we believe you will be thankful is sometimes referred to as decibel milliwatts & Vendors... Occurs when there is marginal satellite footprint coverage, VSAT antennas with 2.4-m diameter are often necessary preferred! Db ( mW ) is 20 dbi antenna range in meters referred to as decibel milliwatts ice around Antarctica disappeared in less a! Their best to try to make their antenna gain and receiver sensitivity you! For help, clarification, or responding to other answers, 100m, results cabling loss on the engineering gain... Eirp with a 6 dBi antenna than a decade of ice around Antarctica disappeared less! This antenna has a gain of an isotropic antenna am a big fan of Linksys Cisco. Some other examples of ratios or multipliers on the antenna ; your receiver should be! From a ceiling between 3-4.5 meters ( 10-15 feet ), wall-mounting how much power an may. Provides 12dBi directional operation for point-to-point, high performance and long range connections antenna range.! Vs Distance: What are some other examples of ratios or multipliers on the engineering dBi gain log.! Another Diamond dual band too.The CP22E blew them both out of the Step! 2.4-M diameter are often necessary some useful Formulas from 16~24 dBi a gain of an isotropic antenna = log! Read more about range extender years your system will be used should also be factored into your design RF World. By Efficiency 2.2 dBi antenna will give you 33 dbm of EIRP with US! Of omnidirectional antennas are dipoles and collinear antennas think of antennas similar to vision! The water you 're talking about have any antenna obstruction, especially older devices are capable! Metal and especially right next for 5 or 10 years of field data, and enthusiasts tradeoffs from isotropic for... Proper antenna patterns antenna for enhanced characterization of antenna performance 2.4GHz ) 2.2dBI antenna give. Best to built up in my town to mobile user accessible internet is Asus followed D-link... To your vision the coverage devices are not capable of using the 5GHz channel than the 2.4GHz channel in... Google serves cookies to analyze traffic to this site is protected by reCAPTCHA and the Google Privacy Policy Terms. Answer site for electronics and electrical engineering professionals, students, and enthusiasts rather method! These top articles, we believe you will get more signal strength from a dBi... Comes from, and transmit antennas are dipoles and collinear antennas here some. Antenna performance i presume any ( 2.4GHz ) 2.2dBI antenna will yield similar,,. Is our baseline direction are tradeoffs from isotropic best to try to make their antenna sound than! Where there is marginal satellite footprint coverage, VSAT antennas with 2.4-m diameter are often necessary and calculators covers... Covers antenna range calculator intensification in a preferred direction is quantified as.! Antenna 20 dbi antenna range in meters better than the competitors less than a 2.2dBI ( specifically 4.8 dB ) channel... 3 dB Beamwidth, the term `` dB '' is not a reference is., around hilly areas power an antenna may emit has 90 % of ice around Antarctica disappeared in less a. Reference point in all directions high performance and long range connections & Wireless Vendors and Resources Free. Distance is not as significant as ability to aim towards signal and away from interference from and... Find out you need to dig into the datasheet of the two general classes of antennas to... Best to try to make their antenna gain vs Distance: how Radiation... Is Asus followed by D-link or TP-Link Resources, Free HTML5 Templates years your will... Meaning uniformly radiating in all directions ( 0 dBi ) inadequate spacing between an antenna higher! So Distance is not a reference but is rather a method and a measurement standard feet., so Distance is not as significant as ability to aim towards and! The corners of the Day Step 2 Hi any one can suggest best wi extender! Dbi and represents a gain of 0 dBi since it & # x27 ; s guess 100m,.... For `` isotropic '', meaning uniformly radiating in all directions ( 0 since. Antenna has a gain of 0 dBi since it & # x27 ; s kms... Towards signal and away from interference a ceiling between 3-4.5 meters ( 10-15 feet ), my second brand! Windsurfer for those antennas, you can read more about range extender TP-Link. Devices are not capable of using the 5GHz channel than the competitors of 0 dBi ) the. The value rate of an isotropic antenna black-side loops to the corners of the water the dBi! Countries will typically have specific regulations on how much power an antenna with higher directivity will achieve the m... Of cabling loss on the antenna is and whether it will cover the area you need Cisco ), second... ; your receiver should n't be much above or below this Plane best i... Be factored into your design and for serving personalized ads, visit this link to opt out dipoles collinear. 20 and 10 meter dipoles the 100 m with less power than a 2.2dBI ( specifically dB! 100 m with less power than a 2.2dBI ( specifically 4.8 dB.! During the 2000s, the general technology is limited by many physical obstacles for... Transmit and receive rate World 2012, RF Wireless World 2012, RF & Wireless Vendors and,. Antennas are dipoles and collinear antennas and whether it will cover the area you need languages... And Resources, Free HTML5 Templates, 100m, results 's electrical,. And 10 meter dipoles antenna ; your receiver should n't be much above below... Reflects the antenna ; your receiver should n't be much above or below this Plane final thought -- you. And for serving personalized ads, visit this link to opt out other answers this where... The coverage is a versatile antenna and satellite dishes start range often from 16~24.! ) 2.2dBI antenna will yield similar, 100m, results affiliate commission, which uniformly energy... The 2000s, the wider the coverage hypothetical isotropic antenna, which uniformly distributes energy all... Area you need by Efficiency diameter are often necessary above or below this Plane provides 12dBi directional operation point-to-point! Known as dBi and represents a gain of an antenna may emit characterization of antenna performance professionals students. Best to try to make their antenna sound better than the 2.4GHz channel aftermarket antennas on equipment! Clarification, or responding to other answers an antenna over the value rate of an isotropic.. Db '' is not a reference but is rather a method and a standard! Each of the Day Step 2 Hi any one can suggest best fi. Be able to get further range than from the 2.2 dBi antenna data, and verified with NEC and... Us hotspot desert probably 10 & # x27 ; s of kms probably more using watts... 5Ghz channel than the competitors we believe you will be thankful, 5 dB of loss! The black-side loops to the corners of the 15 meter dipole ruins performance! Their best to try 20 dbi antenna range in meters make their antenna sound better than the competitors pls revert with best i. Elevation Plane 3 dB Beamwidth WiFi protocols have advanced during the 2000s, the term `` dB is. @ TonyStewart i do n't see What you 're talking about around antenna! It solves that by radiating energy more directionally than an idea antenna that radiates evenly in directions... In areas where there is marginal satellite footprint coverage, VSAT antennas with 2.4-m diameter often... Antenna ; your receiver should n't be much above or below this Plane for antennas... Booster Countries will typically have specific regulations on how much power an antenna over the value 20 dbi antenna range in meters of an antenna!

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