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SignalBoost Amplifier Only, +30dB 3G wired - 811210

Product subtitle:

Dual-band wired amplifier system for all 3G/Edge North American networks, single-user





Product Label:


White Arrow
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The Wilson 811210 Amplifier has been discontinued. Please consider the Wilson 801201.

Wilson 811210 Amplifier Only is a dual-band (850/1900 MHz) direct connection booster that is designed to work with an ultra slim inside antenna (included) that attaches directly to any phone or data card - no equipment-specific adapter is required like with other Direct-Connect amplifiers. Other types of direct-connect antennas are also available - like a universal cradle (included in kit  811214).   Direct Connect amplifiers provide maximum signal performance in low-signal areas, particularly rural and remote locations. These workhorses can be used both in fixed and mobile applications - including buildings, cars, boats, trucks, RV's etc. and need to be connected to an external antenna (sold separately).


  • Installation in both fixed and mobile applications - including buildings, cars, boats, trucks, RV's etc
  • Supports all carriers that transmit at 824-894 and 1850-1990 MHz frequency bands only and  works with all generations of CDMA, TDMA, GSM, and 3G.
  • Works with 50 Ohm antennas and accessories
  • Does not support Nextel/iDen, Verizon 4G LTE, and AT&T 4G LTE/AWS
  • Contact us before you purchase this item if you are unsure
Package Includes:
  • Wilson 811210 Direct Connection 25 dB Amplifier
  • 12 V DC Power Supply
  • Wilson 301143 Dual Band Ultra Slim Antenna w/ 7.5' RG174 coax cable

Product Features:

  • Connects directly to device
  • UltraSlim inside antenna included -no adapter required
  • Requires Outside Antenna (not included)
  • Greatly reduces dropped calls
  • Extends signal range
  • Increases data rates
  • Direct-Connect Amplifier: NO Oscillation
  • Overload protection circuit
  • Protects cell towers from being overloaded
  • Amplifies signal both to and from cell towers
  • Works on all generations of CDMA, TDMA and GSM
  • Increases data communication rates needed for 3G technologies
  • Extends battery life
  • Maximum 3000 milliwatts output power

Technical Specifications

Frequency  824-894 MHz / 1850-1990 MHz
Gain  30 dB / 30 dB 
Max Uplink Power  2700 mw / 1070 mw
Max Downlink Power                   +6 / +7 dBm 
Noise Figure  3.5 dB nominal 
Flatness  ±2 dB
Power Requirements  12 V DC, 2 A max 
Connectors  FME Male 50 ohm   
Dimensions  5 x 3.5 x 1.2 inches / 12.7 x 8.9 x 3 cm   
Weight  1.03 lbs / 0.468 kg
Documentation  Installation Guide












SignalBoost installation is user-friendly and shouldnÌ´Ì_ÌÎ̴̝åÈt take more than 45 minutes. SignalBoost amplifier systems have three separate components which need to be installed and connected: the amplifier unit, the exterior antenna, and the interior antenna.

First, install the metal amplifier unit on the floor under the passenger seat using the four mounting screw holes for secure attachment. The included 12V car cigarette lighter power supply with a 6-foot cable is used to power the amplifier. Additional 12V AC wall power supplies and 12V DC hardwire vehicle kits are available.

Second, install the included exterior antenna (or separate FME-type antenna) in the desirable position on the high, unobstructed point of your vehicle (with at least 12 inches away from other antennas and 6 inches away from windows or sunroof). Adequate separation between exterior antenna and interior antenna is needed for oscillation-free operation. Different exterior antennas will have different installation procedures (magnet-mount, glass-mount, NMO, trucker, marine).

Third, install the Ultra Slim Velcro or cradle Plus interior antenna (depending on product selection) as specified by your installation manual. Ultra Slim Velcro antenna is attached to the back of the phone while the Cradle Plus antenna is used to hold the phone while mounted on the dashboard.

Finally, connect the exterior and interior antenna to the amplifier and power the amplifier unit to turn the system on. Once connected and powered, your system will boost any compatible phone/network in its coverage area. A green light on the side of the amplifier indicates optimal operation. A red light indicates that an automatic shutdown has taken place. This is either due to the exterior antenna and amplifier cradle being too close, or being too close to a cellular tower.

SignalBoost kits are wired systems which require direct physical contact with a single phone they are boosting. You must use hands-free or speakerphone calling to benefit from the signal amplification.

Optional home/office accessories are available to allow easy in-building installation and vehicle-to-building mobility. The amplifier-only option does not include an exterior antenna.

Product Videos

Wilson Signal Boosters Overview - How they work (01:59)
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  1. Wilson amplifiers for Internet. ratings and reviews

    Posted by John jones on 21st Jan 2013

    I was very impressed with your company. I stopped by to get info on and ding an amplifier to boost out 3G service. And y'all had an engineer come in , sit with me and help me understand what would work best in my application. Thanks for the help. I'll be back for another one for my pickup truck. And wouldn't hesitte to refer Wilson to anyone thanks again.

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