Waterproof Boxes, Waterproof Metal Boxes, IP65 Degree Enclosure manufacturer / supplier in China, offering Promotion Waterproof Metal Boxes IP65 Degree Enclosure, Kntech ATM Bank Telephone Emergency IP Telephone Vandalproof Public Telephone, Robust Vandal Proof Emergency Intercom for Elevators Knsd-100 and so on.
Min. Order / Reference FOB Price | |
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1 Pieces | US $341.00/ Pieces |
Local Area: | Shenzhen, Guangdong, China |
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R&D Capacity: | OEM, ODM, Other |
Payment Terms: | LC, T/T, PayPal, WesternUnion |
Color: | Yellow |
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Hook: | Yes |
Handset: | Yes |
Public Address Telephones Waterproof Louderspeaker Broadcast Phone
Technical parameter
Ambient temperature
-30~+60°C
Defend grade
IP66
Relative humidity
10%--95%
Atmospheric pressure
86~106KPa
Circumstance noise
less than 60dB(A)
Sound level of ringing
>70dB(A)
Standard frequency
697. 770. 852. 941Hz
Call transmission index
(5KM)SLR<12,RLR<-1,STMR>10, output impedance is 600 Ohm.