Telit Wireless Solutions LM940 - User Manual

1. Introduction
This document provides how to use Telit Interface Board and LM940 module for
certification testing.
2. TLB+SDK use guide
Telit LM940
UMTS/HSPA/LTE Module (Data only)

Telit Wireless Solutions LM940 Specifications

General

Data Rate LTE Cat NB1/NB2 (DL)	127 Kbps
Data Rate LTE Cat NB1/NB2 (UL)	158.5 Kbps
Data Rate EGPRS (UL)	236.8 Kbps
Data Rate LTE Cat 1 (DL)	10 Mbps
Data Rate LTE Cat 1 (UL)	5 Mbps
Operating Temperature	-40°C to +85°C
LTE Bands	B1, B3, B5, B8, B20, B28, B38, B40, B41
Interfaces	GPIO
Certifications	GCF, CE, FCC, PTCRB

Summary

Introduction

TLB+SDK Usage Guide

Power Supply and Operation

Details on using 110V/220V power adapters, powering on/off the Telit module, and reset procedures.

SIM Card Connection

Instructions for connecting the SIM card using the SIM1 Connector on the interface board.

Antenna Ports and Data Interface

Information on RF and GNSS antenna ports, and using USB for AT commands/data throughput.

TLB+IFBD Usage Guide

Power Supply and Operation

Guide to connecting 3.3V power supply and operating the module, including reset.

SIM Card Connection

Instructions for inserting the SIM card into the SIM1 Socket on the interface board.

Module Detachment from TLB Board

Step-by-Step Detachment Process

Procedure for safely separating the module from the TLB board, including thermal pad handling.