antique telephone stand old fashion telephone parts and function of 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
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
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.
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.
Hook adopts magnetic induction switch, life cycle ≥500 thousand
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
There are 12 groups superstrong function with srore ,memory,dial (Each number up to 16 )
Magnetic hook switch. Life span ≥500 thousand

Defend grade IP65
Ringing sound ≥90dB
Frequency response 250~3000 Hz
Ambient temperature -30~+50°c
Atmospheric pressure 80~110KPa
Relative humidity ≤95%
Size 343*294*206mm
Installation wall-mounted
Outlet thread PG11
Weight 10kg

If you have any questions, please feel free to contact us !