SIM A7670C 4G LTE Development Board – Cat-1 Module Without GNSS | IoT & M2M Communication

SIM A7670C 4G LTE Development Board – High-Speed Cat-1 Connectivity for Modern IoT Projects

Move beyond 2G. The SIM A7670C 4G LTE Development Board brings Cat-1 LTE connectivity to your IoT, M2M, and embedded projects. With 4G speeds and broad band support, this board is future-proof — perfect as 2G/3G networks are being phased out across India and globally.

Ideal for applications requiring reliable, always-on cellular data: remote monitoring, asset tracking, industrial automation, and more.

Key Features

• 4G LTE Cat-1: Fast, reliable cellular connectivity with LTE Cat-1 speeds (up to 10 Mbps downlink).
• Multi-Band Support: Works with major carriers in India and worldwide — Jio, Airtel, Vi, BSNL compatible.
• Without GNSS: Streamlined design without GPS for cost-effective data-only applications.
• Voice, SMS and Data: Full support for voice calls, SMS messaging, and high-speed data transfer.
• UART Interface: Easy serial communication with Arduino, ESP32, Raspberry Pi, and other microcontrollers.
• USB Interface: On-board USB for firmware updates, debugging, and direct PC communication.
• Compact Design: Development-board form factor with clearly labeled pins and easy prototyping.
• 2G Fallback: Automatic fallback to GSM/GPRS when 4G is unavailable for maximum coverage.

Technical Specifications

What is in the Box

• 1x SIM A7670C 4G LTE Development Board
• 1x LTE Antenna
• Pin headers (if applicable)

Ideal For

4G IoT Projects, Remote Monitoring Systems, Asset Tracking (without GPS), Industrial Automation, Smart Agriculture, POS Terminals, Digital Signage, Vending Machines, Environmental Monitoring, M2M Gateways

How to Use

1. Power: Supply 3.3-4.2V DC or use USB power.
2. Insert SIM: Place a 4G-enabled SIM card (Jio/Airtel/Vi/BSNL) into the slot.
3. Connect: Wire UART TX/RX to your microcontroller, or connect via USB to PC.
4. Communicate: Send AT commands to establish data connections, send SMS, or make voice calls over 4G.