SIM800C GPRS GSM STM32 Microcontroller 51 Bluetooth High TTS Replace SIM800L

Description:1. SIM800C module 4 frequency module , available worldwide2. This small size SIM800C can be easily embedded in your system3. Serial TTL serial level compatible with a variety4. The antenna comes with a high-performance springs5. The lithium battery-powered interface, can be directly connected to 4V lithium battery6. mainstream flip MICRO SIM card holder7. reserved voice, Mike Pin Interface8. Size: 24mm x 25mm