Waveshare Cat‑1/GSM/GPRS/GNSS HAT for Raspberry Pi is a versatile communication expansion board designed to provide LTE Cat‑1, GSM, GPRS, EDGE, and GNSS positioning capabilities. With downlink speeds up to 10 Mbps and uplink speeds up to 5 Mbps, it enables reliable mobile connectivity for Raspberry Pi and other development platforms. The module supports multiple protocols including TCP/IP, HTTP(s), MQTT(s), FTP(s), and SSL, making it suitable for IoT applications such as remote monitoring, POS systems, industrial routers, diagnostics, and satellite positioning. Its compact design is compatible with SIM7000/SIM7070 series, while AT commands remain largely consistent with the SIM7600 series, ensuring easy integration and development. Key Features Standard Raspberry Pi 40PIN GPIO extension header, ensuring compatibility with Raspberry Pi series boards Supports secure communication protocols: TCP/IP, HTTP(s), MQTT(s), FTP(s), SSL Provides essential functions: dial‑up, telephone calls, SMS messaging Integrates LBS base station positioning for approximate location via mobile networks Robust GNSS positioning with GPS, BeiDou, and GLONASS support Features TTS (Text‑to‑Speech) capability for Chinese and English text Onboard USB interface for AT command testing, network communication, and debugging Onboard audio jack for sound recording, telephone calls, and TTS output Breakout control pins for easy connection to host boards such as Arduino/STM32 SIM card slot compatible with 1.8V / 3V SIM cards Two LED indicators for monitoring operating status Includes development resources and manual with examples for Raspberry Pi, Jetson Nano, Arduino, and STM32 Specifications Frequency band LTE Cat-1 LTE-FDD: B1, B3, B5, B7, B8, B20 2G GSM/GPRS/EDGE: 900/1800 MHz GNSS GPS, BeiDou, GLONASS SMS and Audio SMS Supported types: MT, MO, CB, Text, PDU Storage: USIM card (CB couldn't be stored on SIM card) Audio feature Standard 3.5mm audio jack for audio input/output Other Power supply 5V (via USB port or 5V pinheader), 3.7 ~ 4.2V (via VBAT pinheader, supports 3.7V Li-ion battery power input) Operating voltage 3.3V Dimensions 65 × 30.5mm Part List A7670E Cat-1/GNSS HAT x1 USB-A to USB-C cable x1 FPC Antenna x1 GPS Antenna x1 Screws pack x1 Standard Raspberry Pi 40PIN GPIO Compatible with Raspberry Pi series boards Note: For reference only, please refer to the Package Content for detailed part list Multi Band support of LTE Cat-1/2G Multi Band and Multi regions Support, mainly applicable in Europe, Southeast Asia, West Asia, Africa, China, South Korea Note: Please confirm the supported bands according to your local service provider Dial-up on Windows/Linux LTE Cat-1: up to 5Mbps (uplink) / up to 10Mbps (downlink) EDGE: up to 236.8Kbps (uplink / downlink) GPRS: up to 85.6Kbps (uplink / downlink) GNSS positioning Supports GPS, BeiDou, GLONASS positioning Cloud Communication Supports communication protocols including TCP/IP, HTTP(s), MQTT(s), FTP(s), and SSL Telephone Call & SMS Support Making telephone call or sending SMS by AT commands, with onboard audio jack Pinout definition Application Example Provides multiple networking demos with Waveshare.cloud, using the lightweight MQTT protocol to achieve data visualization service Waveshare.cloud Support Provides tutorial and demo for quick start of smart IoT solutions, with large-screen Data Visualization display to meet various application scenarios Smart garden solutions:The A7670E Cat-1/GNSS HAT can report various sensor data of the garden through MQTT to remotely control device ON/OFF, irrigation, fertilization, and so on. Server Performance Cloud Monitoring:The A7670E Cat-1/GNSS HAT can report various performance parameters of the Raspberry Pi server through MQTT, and monitor the operation status in real-time through the cloud platform. IoT GPS Mobile Positioning:The A7670E Cat-1/GNSS HAT can regularly report the data of the GPS positioning module through MQTT to realize mobile detection, animal or device positioning and tracking, etc. Outline Dimensions Selection Guide product A7670E SIM7600E Band LTE Cat-1 LTE-FDD: B1, B3, B5, B7, B8, B20 LTE-FDD: B1, B3, B5, B7, B8, B20LTE-TDD: B38, B40, B41 3G N/A UMTS/HSPA+: B1, B5, B8 2G GSM/GPRS/EDGE: 900/1800 MHz GNSS GPS/Beidou/GLONASS GPS/Beidou/GLONASS/GALILEO/QZSS Data Rate LTE Cat-1 10Mbps(DL)/5Mbps(UL) 3G (HSPA+) N/A 42Mbps(DL)/5.76Mbps(UL) 2G (GPRS/EDGE) 236.8Kbps(DL/UL) Software Features Network protocol TCP/IP/IPV4/IPV6/Multi-PDP/FTP/FTPS/HTTP/HTTPS/DNS Dial-up protocol PPP/RNDIS PPP/NDIS/RNDIS USB driver Windows XP/7/8/10, Linux (driver free for Raspberry Pi OS) Hardware Interfaces SIM card slot Compatible with 1.8V and 3V SIM card UART Supports AT commands through UART, compatible with 3.3V/5V operating voltage USB port Supports AT commands testing, GNSS positioning, firmware upgrading, etc. USB to UART N/A Supports serial debugging, or login to Raspberry Pi Audio jack Supports audio actions like making telephoto call Antenna connector LTE main antenna LTE main antenna + LTE diversity antenna + GNSS antenna Dimensions 65 × 30.5mm 65 × 56.0mm Applications Examples Healthcare, smart payment, Internet talk, environmental monitoring, energy monitoring, fleet management, smart industry, intelligent agriculture, etc. Applicable regions Europe, Southeast Asia, West Asia, Africa, China, South Korea
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