GPRS GSM SIM800C Module

QUICK SPECS:

• Through the USB to TTL module
  
• Battery power supply interface; 
  
• Contains 2 LED light, convenient debugging; 
  
• Contains a set of TTL serial interface, compatible with 2.85 V, 3.3 V, 5 V system
  
• Supports:
• SMS Features
• Telephone
• GPRS data
• HTTP protocol
• DTMF decoding
• MMS
• Recording function