2 Meter Transmitter Chip In Micro-Trak 300

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eHam.net Forum : APRS : 2 Meter Transmitter Chip In Micro-Trak 300

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2 Meter Transmitter Chip In Micro-Trak 300	Reply
by KB1OCC on February 9, 2007	Mail this to a friend!
Does anyone know who makes the 2 meter transmitter chip found in the Micro-Trak 300 APRS unit?

RE: 2 Meter Transmitter Chip In Micro-Trak 300	Reply
by KC0VCU on February 9, 2007	Mail this to a friend!
From the description, it does not appear to be a 'chip' but a package that is shielded. It would not surprise me if the transmitter was essentially the same sort of a chip as that used for the mini 'fm bugs' that transmit in the standard wide-fm band (88-107) with the appropriate switches or oscillator to operate at 144.36. It's 300 mw and would be standard channel width for vhf ham frequencies. (Though in the years to come I wouldn't be surprised to start seeing narrow band becoming more and more frequently used to give us the opportunity to increase the number of repeaters available to an area.) Unfortunately I have not looked at any of the bug transmitter products or projects to see if that is a viable platform. 73, -Rusty - kc0vcu

RE: 2 Meter Transmitter Chip In Micro-Trak 300	Reply
by KF6IIU on June 12, 2008	Mail this to a friend!
Sorry for the late response. Since this question was never answered, currently (June 2008) the module is made by a UK company called Radiometrix: www.radiometrix.co.uk/products/hx1.htm

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