特点1。标准模拟电话,电话线供电。也可在SIP/VoIP, GSM/3G版本2。铝合金压铸外壳,机械强度高,抗冲击能力强。3.重型手持设备,兼容助听器接收器,消音麦克风。4.锌合金键盘和磁簧挂钩开关。5.耐天候保护达到IP66-IP67。 6.Temperature range from -40 degree to +70 degree. 7.Powder coated in UV stabilized polyester finish. 8.Wall mounted, Simple installation. 9.Multiple housings and colors. 10.Self-made telephone spare part available. 11. CE, FCC, RoHS, ISO9001 compliant