Radiometrix
Hartcran House, 231 Kenton Lane, Harrow, HA3 8RP, England
Issue 1, 27 February 2008
Tel: +44 (0) 20 8909 9595, Fax: +44 (0) 20 8909 2233
KFX2
UHF FM CODE HOPPING REMOTE CONTROL
KEYFOB TRANSMITTER
The KFX2 is a UHF code hopping 5
button keyfob transmitter for use
with the matching KDEC decoder or
KRX-416-000-DIL decoder IC to
provide a remote controlled link in
excess of 100 metres over open
ground.
Features
Figure 1: KFX2
ꢀ
Designed to comply with harmonised radio standard EN 300 220-3, EMC standard EN 301 489-3
and low voltage directive.
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
Usable range typically >100 m
Versions available on 433.92MHz and 434.42MHz (others by request, please contact sales)
Available in 1 to 5 button formats
Led indication of transmission
Lithium batteries for long life (6V)
Available for operation at 433.92MHz or 434.42MHz in the UK and Europe, they combine full internal
filtering to ensure EMC compliance by minimising spurious radiations and susceptibilities. The KFX2 will
suit one-to-one wireless remote control links in applications including car and building security and
remote home/industrial control.
Technical Summary
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
Crystal-locked PLL, FM modulated
Operation using 2x CR1220 replaceable coin cells
Code hopping secure data format
Manchester encoding
Led transmit indicator
Low battery detector
14mA tx current
<2uA standby current
Battery life typically >20000 operations
Radiometrix Ltd.
KFX2 data sheet
Page 1
RADIOMETRIX [ RADIOMETRIX LTD ]
