1 X PTT for ICOM radio walkie talkie. IC-4GXE, IC-4GXET, IC-4SA, IC-4SAT, IC-4SE, IC-4SET, IC-4iA, IC-4iE. IC-F4TR, IC-H12, IC-H16, IC-H2, IC-H6. IC-X21ET, IC-X2A, IC-X2E, IC-Z1A, IC-Z1E, IC-41S, IC-4088SR, IC-Q7E, IC-F4002, IC-F44GS, IC-FS25R, IC-F3002, IC-F4TR, IC-Q7E.
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