Enhance your communication projects with this versatile GSM GPRS Module, designed to deliver efficient and reliable wireless connectivity. Featuring the onboard SIM800C GSM GPRS module and CH340T USB to serial chip, this module supports seamless telephone voice, SMS sending and receiving, as well as Bluetooth data transmission, making it an ideal choice for a wide range of applications requiring real-time data exchange and communication. Key Features: · Efficient Communication Functions: Supports telephone voice calls, SMS sending and receiving, and Bluetooth transmission, providing multiple communication options for diverse project needs. · Extensive Network Coverage: Compatible with GSM GPRS frequencies 850, 900, 1800, and 1900MHz, ensuring global connectivity and stable communication wherever you are. · Simplified Operation: Automatically powers on and connects to the network without manual button control, offering a hassle-free user experience and allowing you to focus on your innovative designs. · Real-Time Status Indicator: Equipped with a red LED work indicator that flashes quickly every second when no network or SIM card is detected, and blinks once every three seconds during normal network access, enabling easy monitoring of module status. · High-Speed Data Transmission: Supports GPRS data transfer over 2G networks to provide continuous data updates with low latency, suitable for applications like mobile meter reading and other real-time data scenarios. · Excellent Compatibility: Integrated CH340T USB to serial port chip ensures simple driver installation and broad compatibility with various hardware devices, eliminating connectivity concerns. · Adaptive Baud Rate Support: Allows flexible communication speed adjustments to match different system requirements. Specifications: · Item Type: GSM GPRS Module · Material: PCB · Network Frequency: GSM GPRS 850/900/1800/1900MHz · SIM Card Type: MicroSIM (not included) · Functions: Telephone voice, SMS sending and receiving, Bluetooth transmission (IEEE802.15 standard, 2.4GHz band) Package Includes: · 1 x GSM GPRS Module This GSM GPRS communication module combines extensive network support, multiple communication modes, and easy integration, making it a reliable and efficient solution for your wireless communication and data transmission projects.