SKU: IOWC-0868
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A7672S LTE Cat 1 GSM 4G Cellular Modem Module

₹3,169.00 (Inclusive of all taxes)
Out of Stock

The A7672S is a compact LTE Cat 1 cellular modem module supporting LTE-FDD, GSM, GPRS, and EDGE networks, ideal for M2M and IoT applications requiring reliable, low-to-mid bandwidth connectivity with FOTA and SSL support.

Features

  • LTE Cat 1 Connectivity: Delivers up to 10Mbps downlink and 5Mbps uplink speeds for efficient data transmission over LTE-FDD and GSM/GPRS/EDGE networks.
  • Compact & Compatible Form Factor: Features a 56mm x 42mm footprint compatible with SIM7000/SIM7070 series modules for easy design migration.
  • Advanced Software Functions: Supports Firmware Over-The-Air (FOTA) updates, Location-Based Services (LBS), and Secure Sockets Layer (SSL) for secure, maintainable deployments.
  • Abundant Hardware Interfaces: Provides a range of standard interfaces (UART, USB, GPIO, etc.) for flexible integration into host systems and peripherals.

Out of stock

Description

The A7672S LTE Cat 1 module serves as a core connectivity engine for IoT devices, offering a balanced blend of bandwidth efficiency and widespread network coverage. Its support for LTE-FDD alongside fallback to legacy GSM/GPRS/EDGE ensures robust connectivity in diverse geographic regions, making it suitable for telemetry, asset tracking, and remote monitoring systems where consistent data uplink is critical.

Engineered for low-power operation within a 3.4V to 4.2V supply range, this module integrates essential IoT software features including FOTA for remote firmware management, LBS for network-based positioning, and SSL for encrypted data sessions. Its pin-compatible form factor with popular SIMCom modules allows for straightforward upgrades or replacements in existing designs, reducing development time and cost for system integrators and OEMs.

Key Features

  • Multi-Mode Network Support: Connects seamlessly to LTE-FDD, GSM, GPRS, and EDGE networks for maximum coverage flexibility.
  • Efficient Data Throughput: LTE Cat 1 performance provides optimal bandwidth for sensor data, GPS tracking, and status updates.
  • Secure & Updatable: Integrated SSL ensures secure data transmission, while FOTA capability allows for remote feature updates and bug fixes.
  • Design-Friendly Footprint: Compact size and hardware compatibility with SIM7000/SIM7070 series simplify PCB layout and inventory management.
  • Rich Interface Set: Offers UART, USB, GPIO, and other digital interfaces for connecting sensors, controllers, and peripherals.
  • Global Frequency Band Support: Designed to operate on standard LTE and GSM bands for international deployment.

Applications

  • Industrial IoT & Telemetry: Remote monitoring of equipment status, sensor data logging, and SCADA system communication.
  • Asset & Fleet Tracking: GPS-enabled location tracking for vehicles, containers, and high-value assets with cellular data backhaul.
  • Smart Metering & Utilities: Automated meter reading (AMR) and distribution automation over LTE networks.
  • Retail & Vending Machine Connectivity: Enables cashless payments, inventory management, and remote diagnostics for kiosks.
  • Environmental Monitoring Stations: Transmits data from remote weather, air quality, or agricultural sensors to cloud platforms.

Technical Specifications

Module ModelA7672S
Wireless ProtocolsLTE-FDD, GSM, GPRS, EDGE
Network CategoryLTE Cat 1
Data Rate (Max)10 Mbps Downlink / 5 Mbps Uplink
Supply Voltage3.4V ~ 4.2V
Dimensions (L x W)56 mm x 42 mm
Weight13 g
Key Software FeaturesFOTA, LBS, SSL
Form Factor CompatibilitySIM7000 / SIM7070 Series

Frequently Asked Questions

What AT commands are used to configure the A7672S module for data transmission?

The A7672S uses standard 3GPP AT commands for network registration and data sessions. Initialize with AT+CFUN=1 to enable full functionality, then use AT+CGATT=1 to attach to the network. For PDP context activation, use AT+CGDCONT and AT+CGACT. Establish a TCP/IP connection with AT+CIPSTART. Always configure the correct APN for your mobile network operator. Refer to the official A7672S AT command manual for the complete syntax and additional advanced settings.

How do I supply power to the A7672S module and what are its current requirements?

Power the A7672S module via its VCC pin with a stable voltage between 3.4V and 4.2V. During transmission bursts on LTE networks, peak current can reach up to 0.5A, so your power supply must be capable of delivering this transient load. For stable operation, use a regulated power source with low noise and adequate decoupling capacitors placed close to the module's power pins. Ensure the grounding is solid to maintain signal integrity and reliable RF performance.

Can I upgrade the A7672S firmware remotely, and how is FOTA implemented?

Yes, the A7672S supports Firmware Over-The-Air (FOTA) updates. Implementation requires setting up a secure server to host the firmware binaries. The module downloads the update package via HTTP or FTP using specific AT commands like AT+UFWDL. The process involves checking for a new version, downloading, verifying, and then rebooting into the new firmware. Ensure stable network connectivity and sufficient power throughout the update process to avoid bricking the module.

Package Includes

  • 1 x A7672S 4G LTE GSM Modem Module

Additional Information

Weight 0.013 kg
Dimensions 5.6 × 4.2 cm