I have a few of these left. 1 x 2m cable that has a 8 pin mini din on one end and an RCA(phono) fitted on the other. This will work with ANY Yaesu transceiver that has an 8 pin mini din socket on the rear and allows an external amplifier to be keyed such as , SPE expert amp, ACOM etc. Some transceivers that have this connection. FT-710 / FT-450 / FT-857 / FT-897 / FTDX1200 / FTDX10
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