Description Waveshare SIM800C GSM/GPRS/Bluetooth HAT is a compact Raspberry Pi GSM HAT for SMS messaging, GPRS communication, and Bluetooth data transfer. This Waveshare board combines the SIM800C GSM/GPRS/Bluetooth HAT design with 2G connectivity and onboard Bluetooth, making it useful for message-driven IoT projects, low-bandwidth remote nodes, and short-range wireless links. The Waveshare SIM800C GSM/GPRS/Bluetooth HAT is especially useful when a Raspberry Pi GSM HAT needs both cellular messaging and local pairing in the same build. Because the SIM800C GSM/GPRS/Bluetooth HAT supports calls, SMS messaging, GPRS communication, and Bluetooth data transfer, this Waveshare board is a practical fit for kiosks, POS devices, telemetry terminals, and embedded control systems. Features Waveshare SIM800C GSM/GPRS/Bluetooth HAT with onboard SIM800C module. Raspberry Pi GSM HAT with standard 40PIN GPIO header. Supports calls, SMS messaging, email, MMS, and GPRS communication. Supports Bluetooth data transfer for short-range wireless communication. UART interface for Raspberry Pi, Jetson Nano, Arduino, and STM32 projects. 3.3V / 5V logic selection, SIM slot, GSM antenna, and Bluetooth antenna support. Specifications Item Details Brand Waveshare Model SIM800C GSM/GPRS/Bluetooth HAT Board Type Raspberry Pi GSM HAT Main Module SIM800C Network GSM / GPRS Bluetooth Bluetooth 3.0 + EDR Frequency Bands 850 / 900 / 1800 / 1900 MHz GPRS Speed Up to 85.6 kbps Core Functions Calls, SMS messaging, GPRS communication, Bluetooth data transfer Interface UART + Raspberry Pi 40PIN header Logic Level 3.3V / 5V selectable Applications SMS messaging and remote alert systems. Raspberry Pi GSM HAT projects in 2G coverage regions. GPRS communication for remote monitoring, basic cloud upload, and telemetry. Bluetooth data transfer for local pairing and short-range wireless links. Waveshare SIM800C projects for kiosks, POS terminals, and low-bandwidth embedded control. Product List SIM800C GSM/GPRS HAT x1 GSM antenna x1 Bluetooth antenna x1 USB Type-A plug to Micro plug cable x1 RPi screws pack (2 pcs) x1 Other Content Waveshare SIM800C GSM/GPRS/Bluetooth HAT messaging features and notification support. Raspberry Pi GSM HAT pinout and interface definition. Waveshare SIM800C GSM/GPRS/Bluetooth HAT dimensions. Resources Waveshare SIM800C GSM/GPRS HAT Wiki SIM800C Hardware Design PDF SIM800 Series AT Command Manual SIM800C Hardware Design Reference FAQ What is this Waveshare board for?The Waveshare SIM800C GSM/GPRS/Bluetooth HAT is for calls, SMS messaging, GPRS communication, and Bluetooth data transfer. Is this a Raspberry Pi GSM HAT or a 4G board?This is a Raspberry Pi GSM HAT for 2G GSM/GPRS networks with Bluetooth support. Can the SIM800C GSM/GPRS/Bluetooth HAT send SMS and use GPRS?Yes. The SIM800C GSM/GPRS/Bluetooth HAT supports SMS messaging and GPRS communication. Why choose this Waveshare board instead of a plain GSM board?A key difference is that the Waveshare board also supports Bluetooth data transfer alongside GSM and GPRS functions.
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