ChenTe are manufactured to kind of metal keypads,metal keyboard,numeric keypad,backlit keypad,illuminated keypad,lighted keypad,access control keypad,die cast keypad and PC keyboard. Custom made to your needs, our keypad are perfect for industrial ,security and commerical use. such as access control systems , ticket entry, industrial machining ,self-terminal, internet terminals and information kiosks at universities, shopping malls, hotels, banks,military,airports, railway-stations and other public areas
1.0 This jail phone make up of handset,cradle,digital keypads, mainboard and mic in stainless steel body.
1.1 Main body with whole stainless steel body, solid and temperature bearable
1.2 Handset with armoured cord, electret microphone and 150 ohms receiver, with magnet to hang off.
1.3 Waterproof grade is IP65
1.4 Analog telephone with RJ11 module connector.
1.5 cradle made of znic alloy,magnet switches.
1.6 Digital keypads made of znic alloy,numeric key buttons, good contact rubber.Chemical golden technology,double sided PCB.
1.7 Mainboard compatible with electret microphone and dynamic microphone.
Main technical indexes:
1. Application for bank,Jail and public area and subway.
2. Ambient temperature: -30 ~ +60 degreeRelative Relative humidity: 10%~95%
Atmospheric pressure: 86~106Kpa Circumstance noise: 70dB(A). 1W speaker
4. Standard frequency: low frequency group: 697, 770, 852, 941Hz,
high frequency group: 1209, 1336, 1477Hz, frequency deviation: -1.5%~+1.5%