Radiometrix has introduced the CXT/CXR module family, a transmitter/receiver pair providing a complete remote control switch function in a module format, delivering reliable, long range operation in situations where existing wideband solutions cannot offer adequate range, or where band congestion requires multiple channel operation.
Thanks to the inclusion of easy to use, single-function controllers/actuators, the CXT and CXR modules are highly suited to tasks that call for a simple on/off control function (such as floodlight control, machine override shutdown, etc), without the need for any additional external circuitry (such as a microprocessor or dedicated encoder/decoder IC).
Supporting data rates of up to 5 Kbps, the modules are built on the radio hardware of the company’s successful LM series. Like the LM series, they provide 32 frequency channel operation (12,5 kHz or 25 kHz channels) in any of the 173,200 MHz–173,325 MHz, 150,825 MHz–152,450 MHz, 433,875 MHz– 434,650 MHz or 458,525 MHz–459,1 MHz frequency bands (plus other custom VHF bands on request), allowing them to meet the RF requirements of many different geographical regions.
The CXR receiver has a better than -118 dBm usable calling sensitivity, while drawing only 20 mA from a 3,1 V-15 V rail. The matching CXT transmitter can be offered in 10 mW (35 mA from 3,1 V - 15 V) or 100 mW (95 mA from 4,1 V-15 V) versions, depending on specific band regulations. The CXT and CXR come in compact shielded housings, measuring 33 x 23 x 9 mm and 46 x 23 x 9 mm respectively, with pins for PCB mounting. The modules have an operating temperature range of -20°C to +55°C and conform fully with EN 300 220-3 and EN 301 489-3 standards. Class one receiver versions (to EN300-220-v2.3.1) are also available.
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