Square type fire alarm system handset with PTT switch A23
Square type fire alarm system handset with PTT switch A23
Choose the Square type fire alarm system handset with PTT switch A23 from our factory. We offer reliable and advanced fire alarm systems. Contact us now!
As a telephone handset for fire alarm communication system, how to solve the connection stable and reduce the noise from background? For outdoor environment, UL approved ABS material and Lexan anti-UV PC material are available for different usages; With different kinds of speakers and microphones, the handsets could be matched 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; With push-to-talk switch, it could improve the voice quality when release the switch.It could used in fire alarm system and fireman emergency call panel.
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)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.
