User Guide
Table Of Contents
- APPLICABILITY TABLE
- CONTENTS
- 1. Introduction
- 2. General Product Description
- 3. PINS ALLOCATION
- 4. Power Supply
- 5. DIGITAl SECTION
- 6. RF SECTION
- 7. AUDIO SECTION
- 8. GNSS Section
- 9. Mechanical Design
- 10. APPLICATION PCB Design
- 11. PACKAGING
- 12. Conformity Assessment Issues
- 13. PRODUCT AND SAFETY INFORMATION
- 14. GLOSSARY
- 15. Document History
ME910G1 Hardware Design Guide
1VV0301593 Rev.15 Page
5 of 100 2022-08-23
Not Subject to NDA
5.7.3.3. RS232 Level Translation 51
General Purpose I/O 52
Using a GPIO as INPUT 53
Using a GPIO as OUTPUT 53
Indication of Network Service Availability 53
External SIM Holder 54
ADC Converter 54
Forced USB Boot 55
Antenna Tuner 55
GPIO 55
MIPI 56
6. RF SECTION 57
Antenna Requirements 57
PCB Design Guidelines 58
PCB Guidelines in Case of FCC Certification 59
6.1.2.1. Transmission Line Design 59
6.1.2.2. Transmission Line Measurements 60
6.1.2.3. Antenna Installation Guidelines 62
7. AUDIO SECTION 63
Electrical Characteristics 63
8. GNSS SECTION 64
GNSS Signals Pin-out 64
RF Front End Design 64
Guidelines of PCB Line for GNSS Antenna 64
Hardware-based Solution for GNSS and LTE Coexistence 65
GNSS Antenna Requirements 66
GNSS Antenna Specification 66
GNSS Antenna – Installation Guidelines 66
Powering the External LNA (Active Antenna) 66
GNSS Characteristics 67
9. MECHANICAL DESIGN 68