MEIG SLM 320 - Product Overview; 2.1 General Description; 2.2 Key Features

MeiG_SLM320_Hardware Design Manual
MeiG Smart Technology Co., Ltd
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2 Product Overview
2.1 General Description
SLM320 is a wireless communication module that supports TDD-LTE/FDD-LTE/GSM, supports
TDD-LTE FDD-LTE GPRS network data connection, and can provide digital voice (PCM) and analog
voice, SMS and other functions such as Wi-Fi Scan/BT, GNSS* (GPS/GLONASS/BD).
Table 1 SLM320 modules frequency band

4UZK 
* GNSS is optional with a specified PN of the SLM320 module
SLM320 adopts highly integrated design scheme of the RF and baseband integrated on a single PCB,
The baseband signal processing and audio signal processing functions adopt a single-sided layout, and
the module structure size is: 32.0×29.0×2.4mm. SLM320 can be widely used in field of M2M, for
example, OBD, CPE, routers, DTU, security and industrial-grade PDA etc.
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2.2 Key Features
The following table describes the detailed features of SLM320 module.
Table 2 Key features of SLM320 module
Features Details
Power supply
 VBAT Supply voltage range：3.4V～4.5V

Typical supply voltage
：
3.8V
Transmitted power
 Class 4 (33dBm±2dB) for GSM900 PCL5
 Class 1 (30dBm±2dB) for DCS1800 PCL0
 Class E2 (27dBm±3dB) for GPRS900 PCL8
 Class E2 (26dBm±3dB) for GPRS1800 PCL2
 Class 3 (23dBm±2.7dB) for FDD-LTE bands

Class 3 (23dBm±2.7dB) for TDD-LTE bands
Internet SLM320-E SLM320-C SLM320-LA
TDD-LTE B38/40/41 B34/B38/39/40/41 B40
FDD-LTE B1/B3/B5/B7/B8/B20 B1/B3/B5/B8
B1/B2/B3/B4/B5/B7/B8
/B20/B28
GSM 850/900/1800/1900 850/900/1800 850/900/1800/1900