
LILYGO T-SIM A7670E
ESP32-WROVER-E development board with A7670E LTE Cat-1 modem supporting voice calls, SMS, and GPS positioning. Available with multiple regional frequency variants for global 4G deployments.
$29.98
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Specifications
Components
SIMCOM A7670E LTE Cat-1 modem supporting voice calls, SMS, and data over LTE-FDD B1/B3/B5/B7/B8/B20 and GSM 900/1800 MHz. Optional GNSS (GPS/GLONASS/BeiDou) positioning.
WCH CH9102 USB-to-TTL serial converter for USB programming and debugging.
Bus Interfaces
Overview
The LILYGO T-SIM A7670E is a compact cellular development board featuring the ESP32-WROVER-E module (4 MB flash, 8 MB PSRAM) paired with the SIMCOM A7670E LTE Cat-1 modem. It supports voice calls, SMS, and data connectivity across European LTE-FDD bands (B1/B3/B5/B7/B8/B20) and GSM 900/1800 MHz bands. Optional GPS variants add GNSS positioning via an integrated IPEX antenna connector. The board uses a CH9102 USB-to-serial bridge for programming, supports MicroSD storage, and includes a Nano SIM card slot and 18650 battery holder for portable operation.
Use Cases
6IoT Sensors
IoT sensor nodes for collecting and transmitting environmental, motion, or industrial data wirelessly.
Asset Tracking
Tracking the location and status of physical assets like vehicles, packages, and equipment.
Remote Monitoring
Monitor remote equipment, environments, or systems over cellular or wireless networks without on-site presence.
Smart Agriculture
Enables precision farming through remote sensor monitoring of soil, weather, and crop conditions over LoRaWAN networks.
Vehicle Tracking
Real-time GPS vehicle tracking with cellular data transmission for fleet and asset management.
Alarm Systems
Security and alarm systems using cellular connectivity for remote alerting and monitoring.
Where to Buy
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