Product category:
Wireless Communications
News Release from: RF Solutions | Subject: 120 series FM keyfob
Edited by the Electronicstalk Editorial
Team on 29 April 2004
Keyfob transmitters offer multiple
functions
The 120 series of FM keyfob transmitter encoders can be combined with any one of a wide range of RF Solutions' decoder boards to provide complete remote control systems.
The 120 series of FM keyfob transmitter encoders from RF Solutions can be combined with any one of a wide range of RF Solutions' decoder boards to provide complete remote control systems with a comprehensive array of interfacing capabilities The licence exempt, CE compliant, 433MHz keyfobs are available in one-, two- or three-button variants to suit a wide range of applications
This article was originally published on Electronicstalk on 28 Sep 2000 at 8.00am (UK)
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Remote control transmitters need no licence
RF Solutions has launched a series of rugged, licence-exempt hand-held radio transmitter encoders for remote control applications designed to operate in harsh and outdoor environments
The keyfobs use the highly secure Keeloq code hopping protocol and have a range of up to 150m.
FM operation makes the units less susceptible to interference and therefore well suited to use in difficult environments where there is a high risk of spurious radio signals.
120 series keyfobs transmit for as long as any pushbutton is depressed: this can result in either a momentary or latching action depending on the configuration of the RX decoder - an LED provides indication of transmission.
The keyfob automatically transmits a battery low condition to the receiver.
Another useful feature is a power-saving auto-shutoff feature that prevents the battery being drained through accidental operation.
Housed in a tough and compact ABS enclosure measuring just 36 x 66 x 10mm, all three variants of the 120 series keyfob are powered by 12V GP23A type batteries (supplied).
A membrane overlay sticker is used to indicate switch positions; this can be customised to include customer logos or other detail.
RF Solutions is also able to supply an evaluation kit that provides a development platform capable of accepting a variety of radio modules and antenna.
The kit enables engineers to develop their own radio telemetry application that can be used with the 120 series keyfob.
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