Calian TW605 Low Noise Choke Ring Antenna Amplifier
Enhanced Signal Clarity with Advanced Filtering and Low Noise
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.
TW605 Low Noise Choke Ring Antenna Amplifier Technical Specifications
Signals | L1 L2 L5 G1 G2 G3 E1 E5a E5b E6 B1 B2 B3 |
L-Band (1525-1559MHz) | Yes |
Pass band ripple (dB-max) | 1164 - 1300: 2.0 1525 - 1610: 1.0 |
Out of Band Rejection (dB-min) | < 800 MHz: > 65 < 900 MHz: 25 <1430 MHz: 29 > 1700 MHz: 45 > 1800 MHz: > 70 |
Group Delay Variation (ns-max | 1164 - 1300: 5 1525 - 1610: 5 |
Noise Figure (typ) | 1164 - 1300: 2.5 1525 - 1610: 2.5 |
Electrical | |
Impedance | 50 Ohms |
Supply Range voltage | 3 to 16 VDC Nominal, 12 VDC recommended operating max |
Supply Current | 50 mA max |
Mechanicals | |
Mechanical Size | 98.0 mm x 93.0 mm x 17.6 mm |
Connectors | SMA Jack |
Supply Current | 50 mA max |
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 instal
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.
