Calian TW605 Low Noise Choke Ring Antenna Amplifier is a low noise amplifier (LNA) optimized for all GNSS bands, designed to upgrade existing choke ring antennas for full GNSS spectrum reception. With 50 dB gain and advanced filtering to suppress out-of-band interference, TW605 enhances signal clarity and enables extended cable runs. Compatible with major choke ring antenna brands, this easy-to-install LNA is ideal for high-performance GNSS applications.

Why Choose the TW605 Low Noise Choke Ring Antenna Amplifier?

• Upgrades choke ring antennas to receive the full GNSS band or subset thereof

• High gain enables extended cable runs

• Easy to install

What Is the TW605 Low Noise Choke Ring Antenna Amplifier Used For?

Typical applications of the TW605 Low Noise Choke Ring Antenna Amplifier include:

• Distributing one GNSS antenna feed to multiple receivers

• GNSS test benches and laboratory setups

• Timing rooms and reference station installations

• Compensating cable loss in long antenna runs

Ordering Information

Part Number: 32-0605-00-yyy

Replace yyy with the make of choke ring as follows: TRI = Trimble Choke Ring ASH = Ashtech LEI = Leica AOA = Allan Osborne and Associates

Please refer to Tallysman's Ordering Guide to review available radomes and connectors at: https://www.tallysman.com/resource/tallysman-ordering-guide/

Frequently Asked Questions

What is the TW605 Low Noise Choke Ring Antenna Amplifier?

Calian TW605 Low Noise Choke Ring Antenna Amplifier is a low noise amplifier (LNA) optimized for all GNSS bands, designed to upgrade existing choke ring antennas for full GNSS spectrum reception. With 50 dB gain and advanced filtering to suppress out-of-band interference, TW605 enhances signal clarity and enables extended cable runs.

When do I need a GNSS splitter or amplifier like the TW605 Low Noise Choke Ring Antenna Amplifier?

Use a splitter when several receivers must share a single antenna, and an amplifier when long cable runs attenuate the GNSS signal below the receiver’s sensitivity. Gain, ports and powering options for the TW605 Low Noise Choke Ring Antenna Amplifier are listed in the specifications above.

Where is the TW605 Low Noise Choke Ring Antenna Amplifier available?

The TW605 Low Noise Choke Ring Antenna Amplifier is available through Leo Drive in the following region: Turkey. For other regions, please contact Leo Drive.

How can I get the datasheet and technical documents for the TW605 Low Noise Choke Ring Antenna Amplifier?

The datasheet, user manual and other technical documents for the TW605 Low Noise Choke Ring Antenna Amplifier are available on the manufacturer’s website. You can also contact Leo Drive for documentation and integration support.

Explore More at Leo Drive

The TW605 Low Noise Choke Ring Antenna Amplifier is part of the GNSS Amplifiers & Signal Splitters range at Leo Drive. Browse all autonomous vehicle sensors and components, or talk to our engineering team about integration in your project.