English
Language : 

WRX2 Datasheet, PDF (1/8 Pages) Radiometrix Ltd – 433.92MHz Low Cost FM Receiver
Hartcran House, 231 Kenton Lane, Harrow, Middlesex, HA3 8RP, England
Tel: +44 (0) 20 8909 9595, Fax: +44 (0) 20 8909 2233, www.radiometrix.com
WRX2
PRELIMINARY
Issue A, 11 November 2009
433.92MHz Low Cost FM Receiver
The WRX2 is a low cost wide band FM
receiver in a Radiometrix SIL standard pin
out and footprint. It offers an economical and
reliable low power data link without
compromising the receiver performance.
WRX2 receiver and the matching TX2A
transmitter enable the simple implementation
of a wireless data link at up to 12 kbps at
distances up to 75 metres in-building and
300 metres open ground.
Features
Figure 1: WRX2-433-12
! Conforms to ETSI EN 300 220-3 (radio) and EN 301 489-3 (EMC)
! Standard frequencies: 433.92MHz
! Custom frequencies available in 433MHz (EU) band
! Data rates up to 12kbps
! Usable range over 300m
Technical Summary
! Double conversion FM superhet
! SAW band pass filter, image rejection: 45dB
! Supply range: +3V or 2.9V - 15V (regulator version) @ 22mA
! Data bit rate: 12kbps max.
! Receiver sensitivity: -115dBm (for 12dB SINAD)
! Local Oscillator (LO) re-radiation: <-65dBm
! Adjacent Channel: -65dBm
! Blocking: -75dB
! Size: 47 x 17 x 6 mm (47 x 17 x 8.5mm with can)
Applications
! Handheld terminals
! EPOS and inventory tracking
! Sensor nodes
! Data loggers
! Industrial telemetry and telecommand
! In-building environmental monitoring and control
! High-end security and fire alarms
Evaluation platforms: Universal Evaluation Kit, NBEK + SIL carrier
Radiometrix Ltd.,
WRX2 data sheet
Page 1