... panel with 2wired output which uses the SMS to control the wired output 2) LCD display 3) MOQ ... with 2wired output which uses the SMS to control the wired output this SN2301GSM/PSTN alarm system ... the SN2301GSM/PSTN alarm system with 2wired output can control the output by SMS. for example : use the ... Ic, the time keeps right after power off16. Remote control, listen in, speak, arm, disarm, or turn on ...