Tallysman TW125B

Tallysman TW125B
Малошумящий усилитель ГНСС сигнала с низкими требованиями к току и напряжению питания.


Ideal for applications such as mast-mount, roof-top and large vehicle installations, the TW125B provides for much longer cable runs from any GNSS antenna to their receiver, with low current and voltage requirements.


Low current / Low voltage

Very low noise

Wide input voltage range, 3 to 16 VDC

Powered via antenna coax from receiver

50 Ohm port impedance

Cylindrical nickel-plated brass, IP67 compliant housing

Available SMA, TNC, and N-Type jack connectors

RoHS compliant


Improves signal response

Enables extended cable runs

Avoid installation of costly low-loss cable

Fits in-line with antenna cable

No external voltage supply needed

Easy to install – mounting clamp include


The TW125B is a rugged waterproof, low cost, low noise, low power, narrow band 27 dB gain in-line amplifier, specially designed to tightly filter and boost weak signals across the full GNSS bandwidth, while maintaining low antenna noise figures.

The TW125B passes DC directly from input to output to support centre conductor DC supply to the antenna, and so avoiding the need for an additional bias source or bias “T”. A clip for mounting is also available.


Bandwidth: 1000 – 2000 MHz

Supply Volts: 2.7 – 10 V

Gain: 28 dB

Current: 25 mA typ.

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