The SIM A7670C 4G LTE Development Board is an advanced cellular communication solution designed for developers, makers, and industrial IoT applications. It supports LTE-TDD, LTE-FDD, and GSM networks with download speeds up to 10Mbps and uplink speeds up to 5Mbps, ensuring stable and fast communication. This compact development board features multiple interfaces including UART TTL, USB, RS232, ADC, I2C, Audio MIC/SPK, and USB_BOOT, enabling seamless integration with microcontrollers and embedded systems. The onboard Mini SIM card slot and external 4G flexible antenna improve connectivity and signal strength for reliable operation. With low power consumption in sleep mode and support for advanced software features like SSL, FOTA, and LBS, the SIM A7670C board is ideal for smart devices, telemetry systems, automation projects, GPS trackers, and wireless monitoring applications. Features: Supports LTE-TDD, LTE-FDD, and GSM networks Compact design with abundant communication interfaces Supports FOTA, SSL, and LBS software functionalities Wide input voltage range from 9V to 32V DC Includes flexible 4G antenna with UFL connector Onboard Mini SIM card slot for easy connectivity Low power sleep mode for energy-efficient applications Easy integration with embedded and IoT systems Specifications: Product Type : 4G LTE Development Board Model : SIM A7670C Network Support : LTE-TDD, LTE-FDD, GSM LTE Downlink Speed : Up to 10Mbps LTE Uplink Speed : Up to 5Mbps Operating Voltage : 9V – 32V DC Power Consumption : <10mA (Sleep Mode) SIM Card Support : Mini SIM Card Antenna Type : Flexible 4G Antenna Antenna Connector : UFL Connector Audio Support : MIC/SPK Interface Software Features : FOTA, SSL, LBS Connectivity Type : 4G LTE & GSM Suitable Applications : IoT, Automation, Tracking, Monitoring Diamentions : 68 x 59 mm Weight : 36g Package Includes: 1 x SIM A7670C 4G LTE Development Board with 4G Flex Antenna
Specifications
| LTE Download Speed | Up to 10Mbps |
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| LTE Upload Speed | Up to 5Mbps |
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| Voltage Range | 9–32V DC |
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| Power Consumption | Sleep Mode: <10mA |
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| Communication Interfaces | UART, USB, RS232, I2C, ADC, Audio |
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| Shipping Weight | 0.040 kg |
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| Shipping Dimensions | 9 × 9 × 2 cm |
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