DFRobot Gravity: CAT1 A Global IoT Communication Module
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The DFRobot Gravity CAT1 A7670G is an integrated 4G LTE CAT1 wi-fi communication module designed for global IoT applications. It supports extensive LTE-FDD, LTE-TDD, and GSM bands to ensure worldwide network compatibility. Featuring UART and USB interfaces, it plugs seamlessly into Arduino, Raspberry Pi, and LattePanda boards, functioning as a 4G network card. The module supports multiple protocols including TCP/IP, HTTP, FTP, and enables voice, SMS, and data communications via easy AT command control, ideal for IoT, logistics, and remote monitoring projects.
Key Features
- Global multi-band support: LTE-FDD, LTE-TDD, GSM
- 4G LTE CAT1 speeds: uplink 5Mbps, downlink 10Mbps
- Supports voice calls, SMS (MT, MO, CB), and data communication
- UART and USB interfaces for broad compat









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