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
Issue 2, 09 October 2017
500mW NBFM Multi-channel UHF Transceiver
The SFX2 transceiver module offers a 500mW RF power
output in the UK 458MHz band. This makes the SFX2
ideally suited to those low power applications where
existing multi-channel narrow band devices like TR2M
have insufficient range.
Features
Figure 1: SFX2-458-5 transceiver
. Conforms to EN 300 220-2 and EN 301 489-3
. High performance double superhet, 255 channel PLL Synthesizer with VCTCXO
. Data rates up to 5 kbps for standard module
. Fast TX switching time (5ms typ.)
. Usable range over 5km (@ 500mW)
. Fully screened
. Feature-rich interface (RSSI, automatic noise squelch, analogue and digital baseband)
. User configurable via RS232 interface
Applications
. Handheld terminals
. Heavy vehicle/machine remote controls
. EPOS equipment, barcode scanners
. Data loggers
. Industrial telemetry and telecommand
. In-building environmental monitoring and control
. High-end security and fire alarms
. Vehicle data up/download
Technical Summary
. Operating frequency: 458.5-459.1MHz UK (23 channels)
. Up to 255 channels (8 parallel selected).
. Transmit power: +27dBm nominal (adjustable 100 - 500mW)
. Supply range: 6V – 15V DC (10% transmit duty cycle), 6V - 9V DC (Continuous Transmission)
. Current consumption: 350mA transmit, 35mA receive
. Data bit rate: 5kbps max. (standard module)
. Receiver sensitivity: -118dBm (for 12 dB SINAD)
. Size: 59 x 39 x 15mm
Evaluation platforms: NBEK + yy2M Series carrier
Radiometrix Ltd
SFX2 Data Sheet
page 1
RADIOMETRIX [ RADIOMETRIX LTD ]
