Calian TW155 is a professional-grade Bias-Tee designed to inject 5V DC power into coaxial lines, supporting a wide frequency range of 0.5 to 3 GHz. With low insertion loss and a high current output of up to 450 mA, it is ideal for powering active GNSS antennas and amplifiers. Housed in a robust, IP67-compliant anodized aluminum enclosure, TW155 is perfect for demanding environments, ensuring reliable performance in industrial and telecommunication applications.

Why Choose the TW155 Bias-Tee?

• Allows for external power supply

• Compact form factor

• Fits in-line with antenna cable

• Robust design

• Suitable for harsh environments

• -40 to 85 °C temperature range

What Is the TW155 Bias-Tee Used For?

Typical applications of the TW155 Bias-Tee 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

• TW155 Bias-Tee with SMA Jack connector (for internal use) 32-0155-00

• TW155 Bias-Tee with TNC Jack connector (for internal use) 32-0155-01

• TW155 Bias-Tee with TNC Jack connector (for external use) 32-0155-02

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 TW155 Bias-Tee?

Calian TW155 is a professional-grade Bias-Tee designed to inject 5V DC power into coaxial lines, supporting a wide frequency range of 0.5 to 3 GHz. With low insertion loss and a high current output of up to 450 mA, it is ideal for powering active GNSS antennas and amplifiers.

When do I need a GNSS splitter or amplifier like the TW155 Bias-Tee?

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 TW155 Bias-Tee are listed in the specifications above.

Where is the TW155 Bias-Tee available?

The TW155 Bias-Tee 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 TW155 Bias-Tee?

The datasheet, user manual and other technical documents for the TW155 Bias-Tee are available on the manufacturer’s website. You can also contact Leo Drive for documentation and integration support.

Explore More at Leo Drive

The TW155 Bias-Tee 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.