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869MHz power transceiver boasts of 3km range

Posted: 10 Dec 2010     Print Version  Bookmark and Share

Keywords:power transceiver  data link device  radio module 

Radiometrxis rolls out the first product in its high data rate transceivers family, the FPX3-869-20 which has been optimised for 869MHz. The radio module makes use of the pan-European high power 869.4-869.65MHz allocation to offer half-watt RF power output in a small (67 x 30 x 12mm) footprint.

It combines -115dBm sensitivity with 80dB blocking receiver circuits to deliver an adaptable data link device capable of achieving a range of over 3km. The basic 20kbit/sec module operates on one of two user selectable channels (869.475, 869.565MHz) and features very fast (under 3ms) rx-to-tx switching time.


Future releases will include wider (64Kbit/s, 1-channel) and narrower band (5Kbit/s, 8-channel) versions, while the FPX3 also shares a basic pin-out with a range of exciting VHF and UHF modules in the SHX and USX families.

An adaptable user interface is provided, giving control over the module operation via a simple serial port as well as useful additional functions, such as analogue base band I/O and an RSSI signal. It need a single +5V supply draws only 50mA in receive and under 450mA (for +26dBm output) on transmit.

The FPX3 transceiver targets applications where other frequency bands are too congested, or low transmit power limits yield insufficient range or reliability. This includes industrial telecommand tasks, machine control, fast, long range data modems and robotic/ mechatronic control functions.

-Phil Ling
EE Times Europe

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