Noise reducing telephone handset in noisy environment A20
Noise reducing telephone handset in noisy environment A20
Shop the A20 noise reducing telephone handset and enjoy crystal clear conversations even in noisy environments. We are a factory dedicated to quality and innovation.
As an industrial telephone manufacturer,how to make our products suitable in noisy environment like steel plant,seaport warehouse or sailing ship by reducing the background noise is the key factor to solve. For outdoor environment noise, we chose different kinds of speakers and microphones for the handsets to match with various motherboard to reach high sensitivity or noise reducing functions; hearing-aid speaker could also be chose for hearing-impaired person and noise reducing microphone could cancel the noise from background when answering calls.It could used in steel plants,seaport warehouse or sailing ship where has noisy environment.
Item
Technical data
Waterproof Grade
IP65
Ambient Noise
≤60dB
Working Frequency
300~3400Hz
SLR
5~15dB
RLR
-7~2 dB
STMR
≥7dB
Working Temperature
Common:-20℃~+40℃
Special: -40℃~+50℃
(Please tell us your request in advance)
Relative Humidity
≤95%
Atmospheric Pressure
80~110Kpa
PVC curly cord (Default), working temperature: - Standard cord length 9 inch in retracted, 6 feet after extended (Default) - Customized different length is available. 2. Weather resistant PVC curly cord (Optional) 3. Hytrel curly cord (Optional) 4. SUS304 Stainless steel armored cord (Default) - Standard armored cord length 32 inch and 10 inch, 12 inch,18 inch and 23 inch are optional. - Include steel lanyard which is anchored to telephone shell. Matched steel rope is with different pull strength. - Dia: 1.6mm, 0.063”, Pull test load:170 kg, 375 lbs. - Dia: 2.0mm, 0.078”, Pull test load:250 kg, 551 lbs. - Dia: 2.5mm, 0.095”, Pull test load:450 kg, 992 lbs.Any appointed connector could be made as customer's request. Let us know the exact item No. in advance.If you have any color request, let us know the Pantone color No.85% spare parts are produced by our own factory and with matched test machines, we could confirm the function and standard directly.
Any appointed connector could be made as customer's request. Let us know the exact item No. in advance.
If you have any color request, let us know the Pantone color No.
85% spare parts are produced by our own factory and with matched test machines, we could confirm the function and standard directly.
