SLM770A Development Board Introduction
Evaluation boards can greatly assist you in experimenting, testing, designing, and generally speeding up the learning and product design processes, freeing your mind from getting bogged down with peripheral technical issues. This educational board is designed for the SLM770A module from MeiGLink, allowing you to quickly set up the module and familiarize yourself with its capabilities.
The SLM770A is the latest LTE Cat.4 wireless communication module introduced by MeiG Smart Technology Co., Ltd. This module supports a maximum downlink rate of 150Mbps and an uplink rate of 50Mbps, making it suitable for high-speed data transmission. It is designed to be compatible with existing 3G and 2G networks, ensuring reliable network communication even in remote areas.
SLM770A Development Board Features
- Covers LTE-FDD/LTE-TDD/WCDMA/EDGE/GPRS/GSM networks
- Supports TCP/UDP/DTLS/HTTP(S)/FTP(S)/MQTT(S) and other built-in protocol stack functions
- Support variety of voice coding (HR/FR/EFR/AMR/AMR-WB),
- support SRLTE/CSFB/VOLTE
- Supports high-speed USB2.0 interfaces
- Commonly used LCC package interface, strong versatility, release users to the traditional industry products quickly access the network
SLM770A Module Specifications
| Category | Parameter | Value / Details |
|---|---|---|
| General Features | Size | 32.0 × 29.0 × 2.4 mm |
| Weight | < 6 g | |
| Module Data Rate | LTE-FDD (Cat.4) | Max 150 Mbps (DL) / 50 Mbps (UL) |
| LTE-TDD (Cat.4) | Max 130 Mbps (DL) / 35 Mbps (UL) | |
| WCDMA | Max 384 kbps (DL) / 384 kbps (UL) | |
| EDGE | Max 236.8 kbps (DL) / 236.8 kbps (UL) | |
| GPRS | Max 85.6 kbps (DL) / 85.6 kbps (UL) | |
| Drivers & Tools | Drivers | Windows series, Linux 2.6 or above, Android 4.0 or above |
| Tools / Upgrade | One-click upgrade tool USB / FOTA upgrade |
|
| Protocols | PPP / ECM / TCP / UDP / DTLS / HTTP(S) / FTP(S) / MQTT(S) | |
| Interfaces | USB | USB 2.0 × 1 |
| SIM Card | 1.8 / 3.0 V | |
| PCM | × 1 | |
| UART | × 2 | |
| Antenna Interface | Main / Diversity (optional) / GNSS (optional) | |
| Certifications | CCC / CTA / SRRC / CE / RCM | |
| Working Environment | Temperature Range | -40 °C ~ +85 °C (-40 °C ~ -30 °C and +75 °C ~ +85 °C extended range – some RF indicators may degrade) |
| Storage Temperature | -45 °C ~ +90 °C | |
| Humidity | 5% ~ 95% | |
| Transmission Power | GSM850/900: 33 ± 2 dBm GSM1800/1900: 30 ± 2 dBm WCDMA/HSPA: 23 +1/-3 dBm LTE-TDD/FDD: 23 ± 2.7 dBm |
|
| Electrical Characteristics | Supply Voltage | 3.3 V ~ 4.2 V, typical 3.8 V |
| Power off | 10 µA | |
| Sleep | < 5 mA | |
| Idle (free) | < 30 mA | |
| Band Description – SLM770A Variants | ||
| SLM770A-CE | LTE-FDD: B1/B3/B5/B7/B8/B20/B28 LTE-TDD: B38/B40/B41 WCDMA: B1/B8 GSM: 900/1800 RX Diversity: Support GNSS: Optional |
SLM770A Development Board Applications
The SSLM770A Development Board is widely used in a range of applications, including industrial routing, security monitoring, CPE (Customer Premises Equipment), vehicle DVR (Digital Video Recorder), and sharing devices. Its versatility and robust features make it a reliable choice for diverse communication needs.








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