The TW3101 by Tallysman Wireless is a precision grade, permanent mount GPS L1 antenna with no magnetic properties, specially designed to be used in close proximity with compass based instruments.
The TW4027/TW4029 is a commercial level GNSS antenna from Tallysman Wireless that uses extremely low power to cover the frequency band for GPS L1 signals.
The TW1017 by Tallysman Wireless is a small, high performance, low profile, embedded GPS L1 antenna, specially designed for industrial and military precision positioning and timing applications.
The TW3130 by Tallysman Wireless is a professional grade, permanent mount GPS L1 antenna, specially designed for professional precision timing applications.
The Tallysman TW3150 covers the GPS L1 and SBAS (WAAS, EGNOS & MSAS) frequency band employs Tallysman's unique Accutenna™ technology to provide excellent cross polarization rejection and greatly enhanced multipath rejection.
The TW1010/TW1012 by Tallysman Wireless is low cost, high gain, high performance, embedded GPS L1 antenna, specially designed for OEM industrial, military, precision positioning and timing applications.