SAR3 Datasheet, PDF (1/6 Pages) Radiometrix Ltd – Multi channel UHF FM Class 1 Social Alarm Receiver

SAR3
Hartcran House, 231 Kenton Lane, Harrow, Middlesex, HA3 8RP, England
Tel: [phone], Fax: [phone], www.radiometrix.com
PRELIMINARY
Issue 1, 1 September 2009
Multi channel UHF FM 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.
Figure 1: SAR3-869-8
Available for operation in European 868MHz band, the SAR3 combines full screening with internal filtering to
ensure EMC compliance by minimising spurious radiation and susceptibility. The module suits one-to-one
and multi-node wireless links in applications including automatic meter reading (AMR), car and building
security, Social alarms, EPOS and inventory tracking and remote industrial process monitoring.
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
Radiometrix Ltd
SAR3 Data Sheet
page 1