设备说明Specification
双音频按键式话机
DTMF touch-tone telephone
安装Installation: 壁挂式Wall mounting
技术规格Technical specification
馈电电压Feeding voltage:24~48V
振铃声响度Ringing sound level:≥85dB
颜色Color: 亚光黑 dull black
防护等级IP rating:IP44
外壳材质Hull material: ABS
填料函Cable gland:PG25/PG16
壁挂式自动电话机产品城市:山东,烟台,青岛,威海,潍坊