Noise Canceling Telephone Handset

SINIWO as an industrial noise canceling telephone handset manufacturer in China, 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. SINIWO has advanced technology and an independent R&D team, and can customize any noise canceling telephone handset you want. With professional sales in telecommunication filed for 17 years, our sales team is well clear of the market demand and trigger point before and after sales.

Model:A20

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Product Description

For outdoor environment noise, we chose different kinds of speakers and microphones for the noise canceling telephone handset 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.

Parameter of noise canceling telephone handset:

Model No.	A20
Waterproof Grade	IP65
Ambient Noise	≤60dB
Working Frequency	300~3400Hz
SLR	5~15 dB
RLR	-7~2 dB
Working Temperature	Common:-20℃~+40℃ Special: -40℃~+50℃ (Please tell us your request in advance)
Relative Humidity	≤95%
Atmospheric Pressure	80~110Kpa
Logo	customized
Color	customized

Feature of noise canceling telephone handset:

(1).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.

The test machine for noise canceling telephone handset

SINIWO noise canceling telephone handset with professional test machines like pulling strength test, high-low temperature test machine, slat spray test machine and RF test machines, we could offer exact test report to clients to make all customer clear of all the details in advance.