Joiwo analog telephones

Sound level: 80 dB

... speech length or size does not vary with the number of telephone distance varies. 5.Telephone housing patented design, waterproof, dustproof, no waterproof cover, beautiful and practical. 6.Telephone ...

... special requirements for moisture, fire, noise, dust and frost. 2.Suitable for high noise areas. Product Features 1. The telephone can form an independent communication system with the program-controlled switch and ...

... that have special requirements for moisture, fire, noise, dust and frost. 2.High noise areas. Product Features 1. The telephone can form an independent communication system with the program-controlled switch and coupler. 2. ...

Sound level: 80 dB

The JWAT415 telephone is a high-tech product that combines the actual needs of expressway sites. It is widely used in expressways, tunnels, and pipe corridors. Features 1. The whole machine is made of cold rolled steel ...

Sound level: 80 dB - 100 dB

... Emergency Sip Voip Telephone Weatherproof Telephone -JWAT216P Model：JWAT216P Product Name： Waterproof Telephone Defend Class： IP5-67 Dimensions：289×182×140 Material：Rolled Steel ...

Sound level: 80 dB - 95 dB

weatherproof water proof telephone analog corded telephone with LCD Display -JWAT216X Model：JWAT216X Product Name： Waterproof Telephone Defend Class： IP66-67 Material： ...

Sound level: 85 dB - 95 dB

dustproof telephone roadside sos emergency sip intercom telephone - JWAT416P Model：JWAT416P Product Name： HandsfreeTelephone Defend Class： IP66-67 Material： Rolled steel Color： Yellow (customized) Communication ...

Sound level: 80 dB

... of the call system, the product has an automatic gain function, and the voice does not vary with distance or telephone quantity. 5.Telephone circuits within the integrated circuit using internationally ...

Sound level: 80 dB

... case is patented, waterproof, dust proof, no need for waterproof cover, beautiful and practical; ◆The circuit inside the telephone adopts the international universal double-sided integrated circuit, which has precise ...

Sound level: 80 dB

... the product has an automatic gain function, and the voice does not vary with distance or telephone quantity. 5. Volume adjusted of the amplifier. 6. Telephone circuits within the integrated circuit ...