Specifications025-9368H 243RADIO INTERFACE SPECIFICATIONSPTT FET pull to ground.COR Dual time constant noise detector or voltage change.CTCSS/DCS output -40 to +6 dBm. Hi/Lo selector. 600 ohm output.Tx audio -40 to +6 dBm. Hi/Lo selector. 1K ohm output.Rx audio -40 to +10 dBm. Hi/Lo selector. 25K ohm input.Channel busy Closure input from secondary receiver COR.ADDITIONAL SPECIFICATIONSModem Automatic detection of 1200 baud Bell 212, CCITT V.22 and 2400baud CCITT V.22 bis.Indicators Line, VOX, DTMF, Carrier, Decode, Transmit, Aux, Power.Switch Connect.Station ID Morse code, fixed 1200hz frequency, and programmable call sign (1 to9 characters) and rate of 10 to 25 words per minute.Equipment types Tone-Only pager, Tone-and-Voice pager, Talkback pager, Mobile.Prompt tones Progress tones, error tones and warning tones sent to phone or mobile.Programming Programmable via RS-232 with local terminal, or remotely over phonelines using internal modem. Installation and user enable/disable viaDTMF.Data retention Battery backed, typically 5 years with no power.Real time clock Battery backed, typically 5 years with no power.Secondary protection On End-to-End telephone line.Auxiliary output FET pull to ground.