Audio video sender TB-2451 DUO with simple operation and long range
Audio video sender TB-2451 DUO with simple operation and long range
  • Customer rating:
    Average: 4.5 / 5 Based on 5 reviews
  • Delivery from £ 3.50
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    +44 (020) 3290 1199

Audio video sender TB-2451 DUO with simple operation and long range

  • Enables wireless AV transmission
  • Stable operation for 8 channels
  • Range of the audio video sender up to 500 m
  • Operation time up to 3.5 hours
  • Signalling battery discharge

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High power audio video sender TB-2451 DUO


  • Please Note!
Due to some manufacturer's restrictions, not dependent on us, we are not able to sell Lawmate products in particular countries: Croatia, Slovenia, Bosnia, Serbia, Kosovo, Spain, Portugal, Macedonia, Italy, USA, Colombia, Israel, Japan, Korea, Vietnam,
If you have questions, please contact

TB-2451DUO is a device that allows wireless audio and video transmission using radio waves.

An important feature of the audio video sender is its long range in urban areas, up to 500 meters! It must be remembered that the functionning of the audio video sender may be constrained by external factors, such as high-density housing area, radio broadcasts and other obstacles that could dampen and reflect the signal. The audio video sender is equipped with a power module, to which you can connect the camera and therefore does not require an additional power supply unit. Eliminate extra cables makes a device more comfortable to use.

The audio video sender has many practical functions, such as signalizing low battery by means of gentle vibration and a miniature built-in fan, which ensures continuous cooling of all components. Not only the quality, but also the possibility of 3,5-hour stable operation gives you complete satisfaction with transmitter TB-2451DUO.


LawMate International

Lawmate International is a world class brand, which specializes in manufacturing counter surveillance devices.


Specification of high power audio video sender TB-2451DUO
Frequency2.4 GHz
Adjustable transmission power500 mW / 1 W
Range of the audio video sender500 m in urban areas
Power supply of the audio video sender5V / 2A
Input2.5 mm minijack, 5V
Standard BA-2200 battery3.6 V / 2200 mAh
Operating time with power supply
  • BA-2200 battery (included): 3.5h - 500mW / 2h - 1W
  • BA-4400 battery (optional): 7h - 500mW / 3.5h - 1W
Power consumption
  • 500 mW - 600 mA
  • 1 W - 1200 mA
Dimensions of the audio video sender84 × 53 × 20.6 mm (without SMA connector)
Weight108 g


  • TB-2451 DUO audio video sender
  • Charger 220 V
  • BA-2200 battery
  • Case
  • User manual

Reviews (5)

By Vincent J.

Comment : my mark is four, make it cheaper and I will give five
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By Robert G.

Comment : reasonably good equipment with long range & comfort of use
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By Brandon H.

Comment : I like the parametres of this audio video sender and that it signalises when battery is low. My previous model just turned off when battery was depleted and that was very annoying
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By James E.

Comment : fast delivery, Convenient product, easy to use
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By John J.

Comment : Quite long range especially out of the city, i do not regret buying it
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