Tallysman TW1027 TW1029

Tallysman TW1027/TW1029 Low-Power Antenna

The TW1027 and TW1029 by Tallysman pack exceptional performance into a compact package with low power consumption, perfect for a variety of applications.



The innovative TW1027 and TW1029 GPS L1 antennas by Tallysman are designed to be used in applications where low power consumption and a compact form factor are the greatest assets. This includes surveillance, asset management, fleet deployment and tracking, and monitoring. What makes them so perfect for these uses—apart from their small form factor—is that they consume a phenomenally small amount of power. The low-noise amplifier’s nominal current consumption is only 2mA, but it produces 21dB in nominal gain.

The TW1027 and TW1029 also boast incredible out-of-band signal rejection, so you never have to worry about nearby signals interfering with the integrity of your antenna. The TW1029 also includes a special Brick-Wall pre-filter, which protects it against saturation by nearby L-band and sub-harmonic frequencies.


  • Low power consumption, long battery life
  • Ideal signal-to-noise ratio
  • Available in multiple variations to better meet end user needs
  • Out-of-band rejection to keep signal clear
  • TW1029 includes additional “Brick-Wall” pre-filter to shield against antenna saturation

Technical Specifications

1 dB Bandwidth: 31 MHz
Antenna Gain: 24 dB (TW1027)/21 dB (TW2109)
Axial Ratio: Max. 4 dB
Supply Current: Max. 2.2 mA
Size (D × W): 35 mm × 7.25 mm
Weight: 30 g
Operating Temperature: -40°C to 85°C


The TW1027 and TW1029 are available through TransiTiva. If you would like to learn more about them, please feel free to get in touch with us by completing the Request Pricing form.

TransiTiva - Link Back To Top