On Thu, Jan 9, 2020 at 10:46 PM, Howard Small wrote:
There is also a 4720B2. I had a few of them that were made under licence in the Phillipines. They have an inbuilt speaker and microphone which is added by replacing the front panel.
Howard, Vk4BS
I designed the front panel for the PRM4720B. I've never seen it referred to as a B2 though.
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Mike G8GYW