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Sound level: 85 dB
... Telephone waterproof KNSP-01T2S The waterproof telephone using in the tunnel communication dispatching system, the emergency telephone is used to solve the problem that the telephone ...
HONGKONG KOON TECHNOLOGY LTD
Sound level: 60, 70 dB
... dusty proof. 11. Phone integrity wiring to enable the telephone system to check if the telephone unit is still An outer metal casting, sealing, waterproof rating to IP66. Using this telephone, to ...
HONGKONG KOON TECHNOLOGY LTD
Sound level: 0 dB - 70 dB
... . 2. Scope of application It is applied to highway for emergency call, railway or subway for interval telephone call, and tunnels, electric tunnels for maintenance call. 3. Technical Parameters Ambient ...
HONGKONG KOON TECHNOLOGY LTD
Sound level: 110 dB
... This product has the following explosion protection: Explosion-proof Telephone: II 2G Rx e ib [ib] mb IIC T6 Gb III 2D Ex ib [ib] tb IIIC T135 ° -40 °C ≤ Ta ≤ +60 °C/+40°C Zone 1, 2, 22 Explosion-proof Beacon: AC220V/50Hz reated ...
J&R Technology Ltd
Sound level: 80 dB
... communications to provide a completely standalone telephone installation. The 3G phone greatly reduces installations costs by eliminating running wires. This weatherproof telephone is very popular for Tunnels, ...
J&R Technology Ltd
Sound level: 80 dB
... : No ingress of dust; complete protection against contact (dust-tight). Heavy Duty VoIP Telephone/Outdoor Industrial Telephones As a weatherproof telephone, it is fully contained within a corrosion ...
J&R Technology Ltd
Sound level: 80 dB
... - Protection index: IP66 -25 ° to + 65 ° C - 3 direct memories (M1, M2, M3) - Sound volume of the ring 90 dB (3 different sound intensity levels) - Option: autonomous GSM version with solar panel Housed in a cold rolled steel case and manufactured ...
Sound level: 110 dB
... coding. Smart DSS keys can be set, including function keys, hands-free keys. The system can be expanded, and 20 ~ 2000 telephones can be configured according to customer needs. The network node is highly expandable, and in combination ...
Sound level: 90 dB - 110 dB
... New Heavy Duty Environment Analog Wall Mounted emergency Waterproof Telephone - Model：JWAT306 Product Name： Waterproof Telephone Defend Class： IP66 Material： Aluminum alloy Color： Yellow (customized) Communication ...
Joiwo Explosion Proof Science and Technology
Sound level: 80 dB
... The waterproof telephone for outdoor and industry. we produce large quantity of Tunnel telephone and export to many countries. waterproof telephone are widely used in railway trackside. ...
Shenzhen Yuantong Modern Technology Co., Ltd.
Sound level: 65 dB
ChenTe are manufactured to kind of metal keypads,metal keyboard,numeric keypad,backlit keypad,illuminated keypad,lighted keypad,access control keypad,die cast keypad and PC keyboard. Custom made to your needs, our keypad are perfect for industrial ,security ...
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