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General| Frequency Range | 400-470MHz |
|---|---|
| Number of Channels | 16 |
| RF Output Power | 5W |
| Power Supply | Li-ion battery |
| Channel Spacing | 12.5/25 kHz |
| Operating Voltage | 7.4V DC |
| Output Power | 5 W |
| Modulation | FM |
| Dimensions | 35 mm |
Explains serial communication between units via system bus cables and twisted-pair wiring.
Details the A-, B-, C-, and D-buses for communication, their characteristics, and standards.
Discusses transmitters synchronized using a reference module and frequency lock modules.
Explains signal delay introduced by data modems and synchronization requirements for D-bus.
Provides guidance on optimal placement of outdoor antennas for best coverage.
Discusses potential interference between adjacent antennas and mitigation strategies.
Details how to send and verify paging messages between system components.
Explains how to generate and check alarm signals and location codes.
Interprets LED indicators on fixed units to diagnose malfunctions and guide troubleshooting.
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