... bands optional on sale LCD SMS GSM/pstn auto switch alarm system GSM CDMA/landline auto switch alarm/security ... and GSM CDMA optional3. Programme the phone numbers directly on the panel4. LCD and blue back-up light, ... , the time keeps right after power off16. Remote control, listen in, speak, arm, disarm, or turn ... as new sn2300, 5900 and 2200. the GSM phone numbers are programmed directly on the panel, ...