Signal Support: This radio connector complete signal support contains TXD RXD RTS DTR CTS signals. And support SQL control and CTS signal entry. Compatible Models: PC Linker adapter radio connector for FT 450D FT 950D DX1200 FT991 U5 LINK plus 5 cable. Support the perfect data line connection mechanism, plug and play. Application: USB PC Linker adapter wireless remote control interface supports full optical isolation, CAT remote support stable high speed communication 115200. High Speed: PC Linker adapter using imported for FIDI FT 232RL USB chip, the original 6N137 optocoupler high speed communication, communication rate up to 115200. Easy To Use: PC Linker radio connector is easy to use, set for FT 450D HRD, rate 4800, RTS DTR unchecked, radio selection VFO A. Compact and lightweight, easy to carry.