China Inmate Payphone, Offender Telephone System, Prison Telephone, Find details and Price about China Visitation Phone, Prison Phone from Inmate Payphone, Offender Telephone System, Prison Telephone
Telephone Versions | Analog,SIP,GSM,3G optional |
Operating Temperature | -30°C to +65°C |
Storing Temperature | -40°C to +75°C |
Ringing Tone | 80 dB @ 1 meter typical |
M.T.B.F. | excess of 50,000 hours using |
Power Supply | telephone line or DC or solar powered |
Weather Resistance | IP54-IP65 |
Casing Material | vandal proof aluminium body |