1. Industrial-grade Models
2. Voltage: DC 5-42V
3. Operating temperature (-25...+75 ° C)
4. Send an SMS message to your phone or net about sales information, fault, management.
5. Send an SMS message upon event detection, or control switching appliances when receiving a control message sent by SMS.
6. GSM send and receiver format:
SMS send: AT+SMS="Mobile number", "SMS Content"
SMS reveiver: +smsd: Mobile number, SMS content
7. GPRS sending or receiving data can be customized by MCU software based on the customer's needs
8. The models are WISMO218 from France WAVECOM company at present, Workingfrequency: 900/1800MHz; Or change to frequency 850/900/1800/1900MHz