银行电话室内外应急装置-JWAT203型号:JWAT203防护等级:IP54尺寸:210 × 300 × 65材质:冷轧钢颜色:橙色(可定制)通讯方式:模拟标准模拟电话。电话线接通了。2.坚固的外壳,由冷轧钢与粉末涂层3。防破坏手机与内部钢挂绳和环提供了额外的安全性的手机线。4.锌合金键盘,4个快速拨号按钮。5.带簧片开关的磁钩开关。6.Optional noise-canceling microphone available 7.Wall mounted, Simple installation. 8.Weather proof protection IP54. 9.Connection: RJ11 screw terminal pair cable. 10.Multiple color available. 11.Self-made telephone spare part available. 12. CE, FCC, RoHS, ISO9001 compliant.