3GデジタルGSMインターホンシステム(マルチレジデント)
3G Digital GSM intercom system(Multi-Resident ) designed a group of keypads. Use the keypad...
3G GSMアクセス制御
3G GSM Access Control main function: You can call to open the door ( Access Control will Close...
GSMリモートコントローラー-3Gフル周波数
3G GSM remote controllers(SS1706) that are activated by calling or texting its mobile phone...