Resistant handset with reed switch for public telephones A17

As the telephone handset for public telephones, corrosion resistance and waterproof grade are very important factors when choose handsets.We add waterproof sound passing membrane on both microphone and speaker sides to improve the waterproof grade to IP65 in structure and with internal reed switch to trigger the communication when pick up form the telephone.
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.