墙体安装铝合金坚固防爆ATEX认证电话- JWBT811型号:JWBT811防护等级:IP66材质:铝合金颜色:黄色(定制)尺寸:343 × 294 × 206通信方式:模拟标准模拟电话,电话线供电。还提供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.重型听筒与助听器兼容,降噪麦克风。4.锌合金键盘和磁簧钩式开关。5.耐候性防护为IP66-IP67。6.With loudspeaker and flash light. 7.Temperature range from -40 degree to +70 degree. 8.Powder coated in UV stabilized polyester finish. 9.Wall mounted, Simple installation. 10.Multiple housings and colors. 11.Self-made telephone spare part available. 12. CE, FCC, RoHS, ISO9001 compliant.