Description
Overview
The SIMCom A7682E is an LTE Cat-1 module in a compact LCC+LGA package, supporting LTE-FDD plus GSM/GPRS/EDGE fallback for a smooth 2G-to-LTE migration. It delivers up to 10 Mbps downlink and 5 Mbps uplink across B1/B3/B5/B7/B8/B20, stays AT-command compatible with the SIM800 family, and offers USB 2.0, UART, I2C and GPIO interfaces with firmware update via USB or FOTA.
Specification: Download the SIMCom A7682E datasheet (PDF)
Retained reference: A7682E specification, V: 2020.12. The photo shows an A7682E bare module. Confirm the supplied part number and applicable drawing before PCB or enclosure design. Current SIMCom documentation listing.
Key specifications
| Technology | LTE Cat-1 (LTE-FDD) + GSM/GPRS/EDGE |
|---|---|
| LTE bands | B1 / B3 / B5 / B7 / B8 / B20 |
| GSM bands | 900 / 1800 MHz |
| Data rate | 10 Mbps down / 5 Mbps up |
| Form factor | LCC+LGA, 19.6 x 19.6 mm footprint. Confirm package height against the applicable mechanical drawing: the 2020.12 PDF shows 2.4 mm in the drawing and 2.5 mm in its table; the current SIMCom product page lists 2.4 mm. |
| Supply voltage | 3.4 – 4.2 V (typical 3.8 V) |
| Temperature | -40 to +85 C |
| Interfaces | USB 2.0, UART, I2C, GPIO |
| Features | SSL, IPv6, FOTA, USB driver (Windows 7/8/10, Linux/Android) |
Ideal for telematics, industrial routers, remote diagnostics and M2M/IoT devices, providing a clear path from 2G to LTE before the 2G/3G sunset.

