TW165B

The Calian TW165B is a top-tier GNSS band signal splitter designed to connect one antenna to up to four receivers. It supports a wide range of signals including GPS/QZSS-L1/L2/L5, QZSS-L6, GLONASS-G1/G2/G3, BeiDou-B1/B2/B2a/B3, Galileo-E1/E5a/E5b/E6, NavIC-L5, and L-Band correction services. This model features four in-line receiver ports on the backside and an antenna port on the frontside.

Key Features

• High Availability: GNSS is crucial for safety, security, timing, and infrastructure applications, all requiring high availability. The TW165B ensures resilient, fault-tolerant performance to prevent service interruptions.
• Smart Power Management: Unlike first-generation splitters, the TW165B accepts power from all attached GNSS receivers. It prioritizes Port #1 if its voltage is within 3.3 - 12.5 VDC. If Port #1 fails or its power is out of range, the splitter switches to the next port in numerical order with acceptable power and voltage, ensuring deterministic switching and port selection.
• Antenna Fault Detection: If the antenna fails and does not draw current, the TW165B provides all connectors with a current draw lower than 1 mA, indicating an antenna fault.

Performance and Design

• Best-in-Class Performance: The TW165B excels in noise figure, isolation, and linearity.
• Robust Construction: It is housed in a compact, lightweight, waterproof (IP67) aluminum casing with corrosion protection.
• Connector Options: Available with SMA, TNC, or type-N connectors, offering 10 dB gain over splitting loss.

Recommendations

Unused Ports: It is recommended to terminate unused ports with a 50 Ohm load.