Tallysman TW1600

TW1600 Dual Feed Embedded Iridium Antenna

The TW1600 by Tallysman Wireless is a low cost OEM dual feed, magnetic mount, passive Right Hand Circularly Polarized antenna (RHCP) for the 1616 MHz to 1626 MHz frequency band, specifically designed to enhance the signal to noise ratio of communications over the Iridium satellite communications network.



The wideband dual feed patch element in the TW1600 has an excellent axial ratio across the entire Iridium bandwidth. Unlike single feed antennas, the TW1600 provides excellent multipath rejection and a truly circular transmission response across the Iridium band.

The TW1600 includes a built-in 35mm circular ground plane but best performance is obtained with this augmented with a local system ground plane or reflecting surface (DC connection not required).

OEM antennas are easily detuned by the local environment. Tallysman offers custom tuning services for optimized integration into OEM end-user modules.


  • Higher C/No values for Iridium communications
  • Sea & Land Container Tracking
  • Military & Security
  • Fleet Management & Asset Tracking
  • Marine & Avionics Systems
  • Law Enforcement & Public Safety


  • Dual-feed, wide band patch
  • Axial ratio, 3 dB over full bandwidth
  • High gain 4.25 dBi
  • 15 KV ESD circuit protection
  • Robust design
  • Small form factor
  • -40 °C to +85 °C Operation


  • Better axial ratio at lower elevation angles
  • Higher transmission success rates
  • Compact form factor
  • RoHS compliant

Ordering Information

  • TW1600 OEM Dual Feed Iridium antenna – 32-1600-XX YYYY-ZZ

XX = Connector type, YYYY = cable length in mm, ZZ = custom tuned version