... SOS panic alarm Top 10 supplier for GSM wireless alarm system GS-G110Main features1.100 wireless and 8 wire defense zones. 2. ... .More defense modes: remote defense, keypad defense, and non-local remote defense by telephone;stay-in defense, timing defense, and ... -sabotage of telephone lines. 16.Remote control: through remote phone (cell phone) dial-up, many operations could be realized,like defense ...