电话防水KNSP-03T3J ERT(紧急路边电话)广泛用于铁路轨道旁边。隧道内部地下大部分地铁线需要安装铁路电话。这款铁路电话安装在室外,需要WaterPoof IP66。防水电话,用于铝合金材料由压铸制成的隧道用途。防水电话坚固耐用。特殊密封设计可确保完全防水等级直至IP66。防水电话广泛用于隧道和室外紧急沟通。说明项目1.强大的铝合金压铸体,破坏和防篡改硬件,安装方便。2.防水额定值IP66防尘。3.没有键盘,热线设置。 4. Door cover: orient automatically and good self - closing, convenient for use. 5. Weather resistant to IP66 standard, service temperature range from -30 degree to +75 degree. 6. Magnetic reed hook-switch. 7. Lightening protection to ITU-T recommendation K.21. 8. Heavy duty handset with hearing aid compatible receiver, noise canceling microphone. 9. Handset with industrial strong curly cord . 10. Waterproof tape keeps waterproof and dusty proof. 11. Telephone line powered or POE powered optional. 12. Optional 7 minute time out to release the line if the handset is left off hook. (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.