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Old 16th Sep 2018, 9:16 am   #17
Sparky67
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Join Date: Feb 2008
Location: Great Barr, Sandwell, West Midlands, UK.
Posts: 589
Default Re: Telephone style microphone ID req

It’s certainly a possibility... It could also have been used with an amateur / commercial HF radio adopted for use by the military perhaps. The RAF used a number of re-badged different Icom HF radios. Or somethin else completely different! Just due to numbers it’s likely to be a (modified) ex-Police or Fire Service handset, they used thousands of these S G Brown (later Racal Acoustics) handsets. Unless the OP has more info I guess we will never really know...!
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Martin
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