Related Manuals for Telit Wireless Solutions LM940
Summary of Contents for Telit Wireless Solutions LM940
- Page 1 Telit LM940 UMTS/HSPA/LTE Module (Data only) 1. Introduction This document provides how to use Telit Interface Board and LM940 module for certification testing. 2. TLB+SDK use guide...
- Page 2 RF cable to SMT connector loss 699 ~ 960 MHz: 0.1 dB 1710 ~ 2690 MHz: 0.25 dB 2300 ~ 2690 MHz: 0.4 dB POWER SUPPLY You can use the both 110V and 220V power for adapter. SIM Card You can use the SIM1 Connector on the top interface board. POWER ON To power ON the Telit module, plug adapter in adapter port located on the side of interface board.
- Page 3 MODEM RESET To reset the Telit module, Press the RESET button down for 2 seconds. RF ANTENNA For RF antenna, You can use Main antenna port and Auxiliary antenna port. GNSS ANTENNA For GNSS antenna, you can use GNSS antenna port. AT COMMANDS / DATA Port Use the micro USB 3.0 (install provided USB driver first) - For AT commands –...
- Page 4 3. TLB+IFBD use guide You can refer the following picture for cable connection.
- Page 5 Main Antenna port Auxiliary Antenna port (LTE & WCDMA (LTE & WCDMA Diversity + GNSS for passive antenna) RF cable loss 699 ~ 960 MHz : 0.4 dB • 1710 ~ 2690 MHz : 0.6 dB • • 2300 ~ 2690 MHz : 0.8 dB POWER SUPPLY You can connect Power Supply Cable with 3.3 V power supplier (from 3.1 to 3.6V).
- Page 6 MODEM RESET To reset the Telit module, Press the RESET button down for 2 seconds. RF ANTENNA For RF antenna, you can use Main antenna port and Auxiliary antenna port. GNSS ANTENNA For GNSS antenna, you can use GNSS antenna port. AT COMMANDS / DATA Port Use the micro USB 3.0 (install provided USB driver first) - For AT commands –...
- Page 7 4. Module detachment from TLB board You can separate module from TLB board referring the following STEP1 and STEP2. STEP “1” PRESS LIKE THIS *Note After step 1, you are able to detach a module from TLB like STEP”2” picture. Before detaching STEP “2”...
- Page 8 Please let me know if you have any questions or need more details. Thanks.
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