Introduction
Build Digital repeater using the Tait-TB7100 (Analog Repeater), support DMR YSF P25 D-Star NXDN M17 POCSAG. Add the COS/SQL pinout support FM mode (@Alan Matthews).
Pinout of Repeater(DB15)
** Tait TM8200 TM8100 pinout definition

** MMDVM V3F4 board pinout definition.
Programming of TM8200 TM8100
Finished cable (Duplex two radios)
RX side: Blue(COS/SQL), Black(RX), White(RSSi), Green(GND)

TX Side: TX(Red), Yellow(PTT), Green(GND)


for Simplex(One radio)

References