*850/900/1800/1900MHz quad bands, can work in the worldwide GSM networks.
*No call charges. The GSM Relay Switch answers the call from authorized number then carries out the turn ON/OFF action on the first 'ring'.
*Secure - Using caller-ID for identification, unknown callers are ignored.
*Add or remove users by SMS Text command.
*No need to provide a remote control or keys for different users.
Overview:<br/>This GSM gate opener features remote on/off switch by authorized phone free calls, which can be operated from anywhere, no distance limit, very convenient.<br/><br/>Features:<br/>*850/900/1800/1900MHz quad bands, can work in the worldwide GSM networks.<br/>*No call charges. The GSM Relay Switch answers the call from authorized number then carries out the turn ON/OFF action on the first &#39;ring&#39;.<br/>*Secure - Using caller-ID for identification, unknown callers are ignored.<br/>*Add or remove users by SMS Text command.<br/>*No need to provide a remote control or keys for different users.<br/>*Up to 200 authorized phone numbers can be configured at the specified time.<br/>*The relay action will return a SMS confirmation to the owner or authorized call in number, this function is editable by user.<br/>*The relay close or open time is programmable.<br/>*Multiple applications. (Gates, bollards, barriers, garage doors, shutters and access doors or machines).<br/><br/>Specifications:<br/>Model: G202<br/>GSM Frequency: 850/900/1800/1900MHz<br/>Digital Output: NC/NO dry contact, 3A/240VAC<br/>DC Power Supply: 9-24V DC/2A<br/>Power Consumption: 12V input Max. 50mA/Average 25mA<br/>SIM Card: Standard SIM Card<br/>Antenna: 50Ω SMA Antenna interface<br/>Temperature Range: -20~&#43;60°C<br/>Humidity Range: Relative humidity 90%<br/>Item Size: Approx. 10.3 * 5 * 3.1cm / 4.1 * 2 * 1.2in<br/><br/>Package Information:<br/>Package Size: Approx. 11.5*6.3*4cm / 4.5*2.5*1.6cm<br/>Package Weight: Approx. 97g / 3.4oz<br/><br/>Package List:<br/>1 * GSM Door Opener<br/>1 * User Manual Card