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BG770A-SN TE-B
User Guide
LPWA Module Series
Version: 1.0.0
Date: 2024-07-30
Status: Preliminary

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Summary of Contents for Quectel BG770A-SN TE-B

  • Page 1 BG770A-SN TE-B User Guide LPWA Module Series Version: 1.0.0 Date: 2024-07-30 Status: Preliminary...
  • Page 2: Legal Notices

    LPWA Module Series At Quectel, our aim is to provide timely and comprehensive services to our customers. If you require any assistance, please contact our headquarters: Quectel Wireless Solutions Co., Ltd. Building 5, Shanghai Business Park Phase III (Area B), No.1016 Tianlin Road, Minhang District, Shanghai...
  • Page 3: Third-Party Rights

    Except as otherwise set forth herein, nothing in this document shall be construed as conferring any rights to use any trademark, trade name or name, abbreviation, or counterfeit product thereof owned by Quectel or any third party in advertising, publicity, or other aspects.
  • Page 4: Safety Information

    Manufacturers of the terminal should notify users and operating personnel of the following safety information by incorporating these guidelines into all manuals of the product. Otherwise, Quectel assumes no liability for customers’ failure to comply with these precautions.
  • Page 5: About The Document

    LPWA Module Series About the Document Revision History Version Date Author Description 2024-07-30 Weida LIU Creation of the document 1.0.0 2024-07-30 Weida LIU Preliminary BG770A-SN_TE-B_User_Guide 4 / 23...
  • Page 6: Table Of Contents

    LPWA Module Series Contents Safety Information ............................3 About the Document ..........................4 Contents ..............................5 Table Index ..............................6 Figure Index ..............................7 Introduction ............................8 Product Overview ..........................9 2.1. Top and Bottom Views ....................... 9 2.2. Components & Interfaces Placement ..................11 2.3.
  • Page 7 LPWA Module Series Table Index Table 1: Components & Interfaces Information ..................12 Table 2: Key Features of TE-B ........................14 Table 3: Accessories List ..........................17 Table 4: Related Document ........................22 Table 5: Terms and Abbreviations ......................22 BG770A-SN_TE-B_User_Guide 6 / 23...
  • Page 8 LPWA Module Series Figure Index Figure 1: Top View ............................9 Figure 2: Bottom View ..........................10 Figure 3: Top Components & Interfaces Placement ...................11 Figure 4: Bottom Components & Interfaces Placement ................12 Figure 5: Functional Diagram of TE-B ....................... 15 Figure 6: TE-B Kit Accessories ........................
  • Page 9: Introduction

    Introduction To help you to develop applications with Quectel BG770A-SN conveniently, Quectel supplies corresponding development board (BG770A-SN TE-B) to test the module. This document can help you quickly understand BG770A-SN TE-B interface specifications, RF characteristics, electrical and mechanical details and know how to use it.
  • Page 10: Product Overview

    LPWA Module Series Product Overview BG770A-SN TE-B is a LPWA development board, which can be used alone to develop and debug applications that communicate with infrastructures of mobile network operators through LPWA radio protocols in 3GPP Rel-13 and 3GPP Rel-14.
  • Page 11 LPWA Module Series Figure 2: Bottom View BG770A-SN_TE-B_User_Guide 10 / 23...
  • Page 12: Components & Interfaces Placement

    LPWA Module Series 2.2. Components & Interfaces Placement J0601 J0405 J0605 J0404 J0602 J0501 S0402 S0401 U0101 S0404 J0502 J0301 S0403 U0202 J0403 J0202 U0601 J0201 J0606 S0201 J0603 J0604 Figure 3: Top Components & Interfaces Placement BG770A-SN_TE-B_User_Guide 11 / 23...
  • Page 13 LPWA Module Series U0306 U0305 U0301 C0220 C0216 U0304 U0302 U0303 U0201 Figure 4: Bottom Components & Interfaces Placement Table 1: Components & Interfaces Information Components/Interfaces RefDes Description BG770A-SN U0101 BG770A-SN module DC-DC U0201 DC-DC converter U0202 Low dropout voltage linear regulator USB-to-UART Bridge U0301 USB to UART bridge controller...
  • Page 14 LPWA Module Series eSIM U0601 eSIM card J0301, J0405 USB power supply interface Power Supply Interfaces J0201 Power adapter power supply interface J0202 External power supply interface USB-to-UART Interface J0301 Multiplexes 4 UART interfaces USB Interface J0405 USB interface GNSS Antenna Interface J0501 GNSS SMA connector Main Antenna Interface...
  • Page 15: Key Features

    LPWA Module Series 2.3. Key Features Table 2: Key Features of TE-B Parameter Details USB interface: ⚫ Supply voltage range: 4.75–5.25 V Typical supply voltage: 5.0 V ⚫ Power Supply Power adapter interface: ⚫ Supply voltage range: 4.75–5.25 V Typical supply voltage: 5.0 V ⚫...
  • Page 16: Functional Diagram

    LPWA Module Series ⚫ The default frame format is 8N1 (8 data bits, no parity, 1 stop bit) ⚫ Supports RTS and CTS hardware flow control Resets the module RESET_N Button Turns on/off the module PWRKEY Button Size (70.0 +0.1/-0.15) mm × (74.0 +0.1/-0.15) mm × (1.6 ± 0.16) mm ⚫...
  • Page 17: Kit Accessories & Assembly

    Kit Accessories & Assembly 3.1. Accessories List Figure 6: TE-B Kit Accessories NOTE Images above are for illustration only and may differ from the actual module. For authentic product information, please refer to the accessories received from Quectel. BG770A-SN_TE-B_User_Guide 16 / 23...
  • Page 18: Accessories Assembly

    LPWA Module Series Table 3: Accessories List Item Description Quantity (pcs) YECN028AA Antenna YEGN003BA Ext GPS ANT Black RO Cable Micro-USB cable 3.2. Accessories Assembly Figure 7: TE-B Kit Accessories Assembly BG770A-SN_TE-B_User_Guide 17 / 23...
  • Page 19: Operation Procedures

    LPWA Module Series Operation Procedures BG770A-SN TE-B can be used alone to upgrade firmware and debug applications based on BG770A-SN. The following describes the operation procedures of using TE-B. 4.1. Operation Procedure 4.1.1. Components & Interfaces Diagram of Using TE-B...
  • Page 20 RF calibration and log output. For details of UART configuration, see document [1]. Figure 9: USB-to-UART Interface Displayed on PC NOTE In the procedures above, pressing S0402 (RESET_N button) at least 100 ms on the BG770A-SN TE-B can reset the module. BG770A-SN_TE-B_User_Guide 19 / 23...
  • Page 21: Power Consumption Test Guide

    4.2. Power Consumption Test Guide 4.2.1. Test Tools The following are the equipment and tools needed for the power consumption test: ⚫ BG770A-SN TE-B ⚫ DC power analyzer ⚫ Wire, soldering iron, tin wire, and wire stripping pliers, etc. to weld the power supply cord on TE-B.
  • Page 22: Test Procedures Of Power Consumption

    LPWA Module Series 4.2.3. Test Procedures of Power Consumption Please refer to the following steps to test the current consumption of the module on the modified TE-B: Insert the USIM card. Connect the USB cable to the J0301 (USB-to-UART interface) of the TE-B. After S0201 (power switch) is turned off, set the output voltage on N6705C to 3.3 V, and connect the positive and negative wires of N6705C to the two wires (VBAT, GND) welded on J0202 (External power supply interface) to supply the module separately.
  • Page 23: Appendix References

    LPWA Module Series Appendix References Table 4: Related Document Document Name [1] Quectel_BG770A-SN_Hardware_Design Table 5: Terms and Abbreviations Abbreviation Description 3GPP 3rd Generation Partnership Project Clear To Send Direct Current DFOTA Delta Firmware Upgrade Over-the-Air Ground GNSS Global Navigation Satellite System Low-dropout Regulator LPWA Low-Power Wide-Area...
  • Page 24 LPWA Module Series Universal Serial Bus USIM Universal Subscriber Identification Module VBAT Voltage at Battery BG770A-SN_TE-B_User_Guide 23 / 23...

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