Contact Capacity :5 Amps at 250VAC Cosφ=1. 20 Amps at 14VDC Based on GSM/3G/4G communication protocol, supports 1000 authorized users. Authorized users can remotely control the equipment, systems and machines connected to the product bySMS commands & free calling. It is widely used in access control systems, garage doors, swingdoors ,folding doors,sliding doors, parking system and the equipments that can be connected tothe relay control,the G203 gate controller will send a notification (via SMS) to the user ofthe result of the remote control (such as the opening and closing status of thegate). With real authorize and multi-level authorization, more security. no authorize no access, evenif you know the password. That is to say: 203 has a higher level of security. After users of G203 are authorized, they only have the right to use the equipment, and have no management rights. G203: Three-level management (super administrator, administrator, common user); Rated Voltage: DC 9V~36V/1A Working temperature: -10℃~+60℃ Storage temperature: -20℃~+60℃ Relative humidity: 10-90%, No condensation Work frequency:GSM: 850/900/1800/1900MHz 4G: C:GSM:900/1800,LTE-FDD B1/B3/B5/B8 LTE-TDD:B34/B38/B39/B40/B41 E:GSM:900/1800,LTE-FDD B1/B3/B5/B7/B8/B20 SA:GSM:850/900/1800/1900M LTE-FDD B1/B3/B5/B7/B8/B28/B66 Communication protocol: GSM PHASE 2/2+ (include data service) Related Voltage of the Output Relay: 3A/240V AC SIM Card:Nano type, 3V Antenna: 50 Ω SMA Wired Switch: Supports Dimension: 96.5x50x31.5mm type: EU Colour:black Material:abs Package Contents: 1 x Access Controller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Contact Capacity :5 Amps at 250VAC Cosφ=1. 20 Amps at 14VDC Based on GSM/3G/4G communication protocol, supports 1000 authorized users. Authorized users can remotely control the equipment, systems and machines connected to the product bySMS commands & free calling. It is widely used in access control systems, garage doors, swingdoors ,folding doors,sliding doors, parking system and the equipments that can be connected tothe relay control,the G203 gate controller will send a notification (via SMS) to the user ofthe result of the remote control (such as the opening and closing status of thegate). With real authorize and multi-level authorization, more security. no authorize no access, evenif you know the password. That is to say: 203 has a higher level of security. After users of G203 are authorized, they only have the right to use the equipment, and have no management rights.