地下采矿的电话KNSP-11

模拟 网络电话 IP66

KNSP-11矿井电话KNTECH提供井下通信系统和出口矿井电话超过15年。采煤电话广泛应用于煤矿和铜矿。矿用电话作为矿用设备，必须是安全的、重型的矿用电话。采矿系统包括PBX、交换机和电话站。KNSP-11广泛用于井下采矿设备，保修期2年。主要特点:坚固的铝合金压铸体，防Vandal和篡改五金，易于安装。防水等级IP66，防尘。3.全键盘记忆，3键可编程电话，支持免费拨号。 4.Magnetic reed hook-switch. 5. Lightening protection to ITU-T recommendation K.21. 6. Heavy Duty handset with hearing Aid compatible(HAC) receiver, Noise canceling microphone. 7. Handset with industrial strong curly cord . 8. Metal keypad keep waterproof and dusty proof. 9. Temperature range from -40 degree to +70 degree. 10.Support echo cancellation. 11.Remote software upgrade, configuration and monitoring. 12. Optional 7 minute time-limited call.( This function upon buyer’s requirement). 13. Powder coated in UV stabilized polyester finish. 14. Application: Tunnel, metro, railway, LRT, speedway, marine, ship,offshore, mine, power plant, bridge etc.