... remotely control air-con by sending SMS message supports GSM 900/ 1800 and 850/ 1900 GSM air-Condition Power Switch SR ... Air-conditioner Remote Control Certificate: FCC, CE GSM band: 850,900,1800,1900MHZ OEM/ODM: Accept Customer logo: Accept Application: home, ... shell or modeling according your requirements. Specification: GSM 850/900/1800/1900 MHz automatically acclimatized Power supply: DC 5.0V power ...