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Summary of Contents for MEIG SRM825N-NA
- Page 1 MeiG SRM825N-NA Module Hardware Design Manual MeiG SRM825N-NA Module User Manual MeiG Smart Technology Co., Ltd. 1/13...
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Page 2: Important Notice
Copyright Notice All rights reserved. MeiG Smart Technology Co., Ltd This manual and all its contents are owned by MeiG Smart Technology Co., Ltd and protected by Chinese laws and relevant copyright laws in applicable international conventions. Without the written authorization of MeiG Smart Technology Co., Ltd, no one may copy, disseminate, distribute, modify or use part or all of this manual in any form, and the offenders will be held responsible according to law. -
Page 3: Safety Instructions
MeiG SRM825N-NA Module Hardware Design Manual Introduction This document defines SRM825N module air interface and hardware interface for connecting the module to applications of customers. This document can help customers quickly understand the interface specifications, electrical characteristics, mechanical specifications and related product information of SRM825N module. With the help of this document, according to our application manual and user guide, customers can quickly apply SRM825N module to wireless applications. -
Page 4: Purpose Of The Document
MeiG SRM825N-NA Module Hardware Design Manual Please keep mobile device away from inflammable gases. Please turn off the mobile terminal device when you are near a fueling station, oil depot, chemical plant or explosion site. There will be potential safety hazards when operating electronic equipment in any place with potential explosion hazard. -
Page 5: Product Overview
MeiG Smart Technology Co., Ltd. that they wish to change the antenna trace design. In this case, a Class II permissive change application... - Page 6 MeiG SRM825N-NA Module Hardware Design Manual The MeiG Smart SRM825N module is a 5G NR Sub-6GHz module specially designed for IoT and eMBB applications. It integrates Qualcomm’s latest generation of Snapdragon SDX62 baseband chip. Complies with 3GPP Release 16 standards and can support independent two types of network deployments: SA and NSA.
- Page 7 MeiG SRM825N-NA Module Hardware Design Manual SRM825N-NA: LTE FDD: B2/B4/B5/B7/B12/B13/B14/B17/B25/B26/B66/B71 LTE TDD: B38/B42/B43/B48 5G NR : N2/N5/N7/N12/N13/N14/N25/N38/N48/N66/N71 ⚫ Class 3 (24dBm+1.7/-3.7dB) for WCDMA bands; SRM825N-NA:B2/B4/B5 ⚫ Supports a maximum of 5CA CAT19 ⚫ Support 1.4 ~ 20 MHZ radio frequency bandwidth Supports DL 4X4 MIMO: ⚫...
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Page 8: Power Supply
⚫ Protocol: NMEA 0183 RX-diversity ⚫ Support 5G NR/LTE/WCDMA diversity ⚫ Compliant with 3GPP TS 27.007, 27.005, newly add MeiG AT AT command command Network indication ⚫ WWAN_LED# pin indicates the status of the RF network ANT0, ANT1, ANT2, ANT3 ⚫... - Page 9 MeiG SRM825N-NA Module Hardware Design Manual 3.11.1 Antenna Definition SRM825N module provides 5 antenna pins, which are: GNSS, ANT0, ANT1, ANT2, ANT3, as shown in the table below. Table 4 Antenna Pin Assignment ANT_port ANT_GNSS ANT0(TRX) ANT1(TRX) ANT2(TRX) ANT3(RX) LB DRX...
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Page 10: Electrical Characteristics
MeiG SRM825N-NA Module Hardware Design Manual LB band registration TRX is connected to ANT2, DRX to ANT0; N77/N78/N79 (B42) registered TX0 to ANT1, TX1 to ANT3, DRX and MIMO to ANT0/2/3; 3. The location of antenna onSRM825N below: Figure 1 SRM825N Antenna Location Map 4. -
Page 11: Temperature Range
MeiG SRM825N-NA Module Hardware Design Manual Limit Voltage Range The limit voltage range refers to the module supply voltage and the maximum voltage range that the digital and analog input / output interfaces can withstand. Work outside this range may cause damage to this product. -
Page 12: Environmental Reliability Requirements
MeiG SRM825N-NA Module Hardware Design Manual VL: logic low level; VH: logic high level. Table 8 Logic Levels of Ordinary Digital IO Signals Signal Unit Digital Input 0.3*Vpin_min 0.65*Vpin_max Vpin_max -0.3 Digital Output Vpin_min-0.2 Vpin Remarks: Vpin_min=1.45V, Vpin_max=2.0V (Vpin Digital interface high level, Vpin=1.8V) - Page 13 MeiG SRM825N-NA Module Hardware Design Manual Figure 2 Schematic diagram of inserting coaxial cable plug Manually pull coaxial cable plug diagram is shown below, θ must be 90°. Figure 3 Schematic diagram of pulling out coaxial cable plug 3.11.4 Fixture Inserts and Unplugs Coaxial Cable Plug Fixture inserts and unplugs coaxial cable plug schematic diagram is as follows, θ...
- Page 14 MeiG SRM825N-NA Module Hardware Design Manual Figure 4 Schematic diagram of fixture plugging and unplugging coaxial cable plug 3.11.5 Recommend RF Connectors and Cable Manufacturers For more details, please visit http://www.ectsz.com. MeiG Smart Technology Co., Ltd. 13/13...
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