China Prison Telephone Jail Telephone Prisoner Phone Inmate Telephone Visitation Telephone, Find details and Price about China Visitation Phone, Prison Phone from Prison Telephone Jail Telephone Prisoner Phone Inmate Telephone Visitation 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 |