Product category:
Wireless Communications
News Release from: RF Solutions | Subject: Clay pigeon shooting
Edited by the Electronicstalk Editorial
Team on 11 September 2001
Narrowband modules shoot through
interference
RF Solutions has found an unusual application where its latest transmitter and receiver modules have provided the perfect solution.
RF Solutions has found an unusual application where its latest transmitter and receiver modules have provided the perfect solution The narrowband FM modules, built in to RF Solutions remote control units, are being used to enable the wireless release of targets in the sport of clay pigeon shooting
This article was originally published on Electronicstalk on 28 Sep 2000 at 8.00am (UK)
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The modules have been able to overcome the problems of interference and crosstalk that were experienced by other wireless products on the market.
This has been achieved by adopting a phase-locked-loop design that has a frequency tolerance of just +/-25kHz.
The effective range of the system is approximately 500m.
The modules are housed in fully shielded miniature SIL packages and have a wide operating temperature range that is more than adequate for the rigours of the shooting field.
Initial FM wireless modules on the market hit major problems.
This was because the licence exempt frequency of 433.92MHz with its associated tolerance of +/-400kHz, was too close to the amateur radio band of 434MHz.
Interference from mobile phone relay masts and other sources was also adding to the problem which resulted in the frequent nonrelease of targets.
Historically targets have been released using a system that linked the handheld transmitter units to the traps with several hundred yards of cable.
Although reliable, this method had several major drawbacks, such as having to coil up cables when grass cutting, and problems associated with the rerouting of wires if traps were moved.
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