Specifications:

• Theory: GSM SMS controller RTU
• Siren Output: +12V DC, Wire Siren(*Optional)
• SIM Card: Supporting 3V SIM Card
• Relay Output: 240VAC/3A,Dry Contact, Switch ON/OFF by Phone Call
• GSM frequency: Dual-Band, GSM900/1800
• Digital Input: 2, NC/NO, Dry Contact
• DC Power Supply: Standard adapter: DC12V/1A
• Brand Name: KING PIGEON
• Authorized User: Up to 64 Phone Numbers (*Customization for more users).