PC-software, tricks and hints, questions and answers, modification, manuals
user manual: (1,6M) users manual TRX4S ( .pdf)
TRX4TERM: (66k) terminal-program (.exe) for TRX4S, 430-440 MHz (German) automatic COM port search, EU frequency range
TRX4TERM-G: (66k) terminal-program (.exe) for TRX4S + TRX2S, (english), full frequency range