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.
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.
| 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 |
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.
