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The Astatic AST878DM is a high quality amplified ceramic desk mic with a tough housing for industrial and commercial use. It includes standard push-to-talk and lock-to-talk buttons (A lock-to-talk button will lock the transmit on until pressed again). This CB microphone requires a 9 volt battery for operation (not included.)
This CB microphone has a standard 4 pin plug and a ceramic cartridge. It is compatible with any CB radio wired for a standard 4 pin plug, including the Galaxy DX2547 Base CB Radio.