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CE-19 Extension Card interface schematic
PTT CON PTT signal / BAND signal output. This interface PTT signal is completely isolated from the host, providing a "low level" trigger
associated with the host.
TO XPA125 XPA125 power amplifier and sky modulation the all-in-one machine special interface .
AF CON Audio input / output. The audio output of this interface is demodulated after direct output, no filter.
DATA CON Data output interface in NFM mode. This interface two terminals are parallel relations, both output the same signal.