主页（http://www.pttcn.net）：威泰克斯/八重洲FT-270R对讲机 5W 防水(2) - Nine DTMF Auto-dialer memories - Two Front Panel programmable keys - Keypad/Dial Lockout capability - RF Squelch - Battery Voltage Display - TX Deviation Level (5 kHz or 2.5 kHz) - Transmit Time-out Timer and Automatic Power-Off - Busy Channel Lock-out - ARTS (Auto-range Transponding System) that "beeps" the user when you move out of communications range (中国集群通信网 | 责任编辑：陈晓亮) |
