MeiG SLM322
MeiG SLM322 module is a new-generation LTE Cat.1 wireless communication module launched by MeiG Smart. It is characterized by its compact size, high cost-effectiveness, and rich interfaces, making it widely applicable in IoT (Internet of Things) and M2M (Machine-to-Machine) communication fields, particularly suitable for devices like body cameras that require stable data transmission.

Application Domains
The SLM322 module primarily targets shared equipment, mobile payments, energy metering, industrial control, public network intercoms, asset and logistics tracking, vehicle transportation, and wireless advertising scenarios.
Network Technology
Based on LTE Cat.1 technology, the module supports LTE-FDD and LTE-TDD frequency bands, achieving a maximum downlink rate of 10 Mbps and a maximum uplink rate of 5 Mbps. This meets the real-time data transmission needs of devices such as body cameras.
Key Features
- Compact Size
- The module uses an LCC package with dimensions of 22.9 mm × 23.9 mm × 2.4 mm, suitable for size-constrained terminal device designs.
- Rich Interfaces
- It integrates USB 2.0, UART, I2C, I2S, and SPI interfaces, facilitating connections with external MCUs, sensors, and other peripheral devices to meet the multimedia data processing requirements of body cameras.
- Wireless Functionality
- Supports Bluetooth 4.2 (BT4.2/BLE4.2) and Wi-Fi scanning, enhancing wireless connectivity capabilities for applications requiring multiple wireless communication methods.
Technical Parameters
- Data Transfer Rates
- LTE-FDD: Downlink up to 10 Mbps, Uplink up to 5 Mbps
- LTE-TDD: Downlink up to 8 Mbps, Uplink up to 2 Mbps
- Size and Packaging
- Package Type: LCC (LCC 16pin + LGA 76pin)
- Dimensions: 22.9 mm × 23.9 mm × 2.4 mm
- Operating Temperature
- Operating Temperature Range: -30°C to 75°C
- Storage Temperature Range: -40°C to 85°C
- Interface Support
- 1 USB 2.0 interface
- 2 UART interfaces
- 2 I2C interfaces
- 1 I2S interface
- 3 SPI interfaces
- 2 SIM card interfaces (1.8V/3.0V)
- Main antenna interface, BT/Wi-Fi antenna interface
The SLM322 module is designed to provide reliable and efficient wireless communication solutions for various IoT and M2M applications, offering a balance of performance and cost-effectiveness.