SAR3
Multi channel FM 868MHz band Class 1 Social Alarm Receiver
The SAR3 is a miniature PCB mounting UHF radio data receiver. It is a narrowband 25KHz spacing receiver incorporating a received signal strength indicator (RSSI) and 4 channel capability. It allows the simple implementation of data links at speeds up to 8kbps.
Features
- Designed to comply with harmonised radio standard EN 300 220-3
- Designed to comply with harmonised EMC standard EN 301 489-3
- Class 1 performance (as per EN 300-220 V2.3.1)
- Data rates up to 8kbps
- 4 pre programmed 869MHz band social alarm frequencies as standard
- Versions available on any frequency from 868 to 869MHz
- Fully screened
- 4 channel selectable
Technical Summary
- Double conversion FM superhet
- SAW front end filter gives >65dB image rejection
- Operation from 4V to 16V @ 46mA typical
- Built-in regulator for improved stability and supply noise rejection
- -115dBm sensitivity @ 1ppm BER
- RSSI output with 65dB range
Applications
- Social alarms
- Automatic meter reading (AMR)
- Car and building security
- EPOS and inventory tracking
- Remote industrial process monitoring