Tallysman TW141

Tallysman TW141
Малошумящий усилитель в прочном водонепроницаемом корпусе. Предназначен для усиления слабых сигналов на всей полосе ГНСС частот.


Ideal for applications such as mast-mount, roof-top and large vehicle installations, the TW141 provides for much longer cable runs from any Full GNSS (including L-band) antenna to its receiver, with low current and voltage requirements.


Very low noise: <2 dB

17 mA typical current consumption

Wide input voltage range, 4.5 to 10 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 and REACH 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


Featuring a a dual-stage LNA with a mid-section SAW filter, the TW141 is a rugged waterproof, low cost, low noise, 40dB gain in-line amplifier, specially designed to boost weak signals across the full GNSS frequency, including L-band, while maintaining low antenna noise figures.

The TW141 passes DC directly from input to output to support centre conductor DC supply to the antenna, and so avoids the need for an additional bias source or bias “T”. It is enclosed in a robust weatherproof cylindrical nickel-plated brass housing (IP67 compliant) and is available with SMA and TNC female connectors.


Bandwidth: 1150 – 1750 MHz

Supply Volts: 4.75 – 10 V

Gain: 40 dB

Current: 25 mA typ.

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