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marine waterproof public address wall telephone

Basic Info

Model No.: JWBT616B

Product Description

marine waterproof public address wall Telephone 1 Range Can be used in subway ,steel works,water resources scheduling,Power plant , ship,shipping port ,railway tunnel and other rough area. 2 Feature 2.1 Shell of the explosion-proof telephone made of si-aluminium alloy with high temperature ,electrostatic plastic sprayed surface. High impact. Whole telephone of the waterproof grade is up to national standard GB4028-93IP67 2.2 The telephone adopt stainless steel keypad, which contact resistance≤30ohm,life cycle≥2 million,push force 160-200grams,defend grade is up to IP67, good hand feeling,sturdy and durable. 2.3 Handle adopts imported Pc engineer material, thermostability of the PTFE wire .military noise cancelling microphone.Clear conversation in 115 dB enviroment . Good tightness , Denfend grade is IP67. 2.4 Hook adopts magnetic induction switch, life cycle ≥500 thousand 2.5 These electronic components of the product adopt famous imported brand and selected by high and low temperature aging test. telephone is provided with high stability, high anti-jamming capability, and it is up to national standard GB/T 15279-2002 2.6 There are 12 groups superstrong function with srore ,memory,dial (Each number up to 16 ) 2.7 Easy for install and operate 3.Technical parameter


Defend grade	IP67
Ambient temperature	-40~+70°C
Relative humidity	≤95%
Atmospheric pressure	80~106KPa
Voltage	180--240AC
Feed current	15mA
Call transmission index	SLR≤12,RLR≤-1,STMR≥10,output impedance:600Ω
Frequency response	300~3400 Hz
Lines output audio signal level	+2dB
Ambient noise	≤115dB
Distortion factor	≤2%
Ringing sound level	≥65dB
installation	wall-wounted

4.How to use Pick up handle and dial another phone . Be called phone automatically connect after 6 rings through the public address and public a calling. Be caller picks up the phone when heard a calling ( It will automatically hang up after 1 minute if there is no one answers the phone ), Be called public address will automatically turn off, Then conversation starting.

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