SIM5320 3G Module Replacement Guide for Legacy Systems

The SIM5320 series is a legacy 3G HSDPA/WCDMA module that is currently facing a critical end-of-life phase due to global network sunsets Adafruit Hologram. As of 2026, the module is primarily used for maintaining existing legacy systems rather than new designs, as carriers worldwide transition to 4G LTE and 5G technologies Iotbusinessnews Hologram.

Product Overview & Key Insights

* Core Specs: The module offers downlink speeds up to 3.6 Mbps and quad-band GSM fallback Adafruit Espboards. It features integrated GPS, LUA script support, and a rich set of interfaces (USB 2.0, UART, SPI, I2C) Adafruit Tinyosshop.

* Variants: Regional models include SIM5320A (North America), SIM5320E (Europe/Asia), and SIM5320J (Japan) Adafruit.

* Current Availability: While still listed on B2B platforms like Alibaba with prices ranging from $13 to $21, many listings now focus on compatible 4G successors or "new original" stock for repair markets Alibaba Alibaba.

Market Trends & Lifecycle Status (2026)

* The 3G Sunset: Approximately 39 major operators are scheduled to retire 3G networks in 2025–2026, following the near-total shutdown in North America Hologram. This makes SIM5320 devices non-functional in many developed regions Iotbusinessnews.

* Market Transition: The IoT market has decisively shifted toward LTE Cat.1 bis (63% market share) and NB-IoT as the standard replacements for 3G hardware Iotbusinessnews.

* Migration Path: For new designs or system upgrades, the SIM7600 and A7606 series are the designated successors, providing LTE Cat 4 speeds while maintaining pin compatibility or similar form factors Alibaba Alibaba.

Sim 5320

Overview

Product Overview & Key Insights

Market Trends & Lifecycle Status (2026)

Simcom Sim5320 3g Module

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Sources & References