User's Manual
Table Of Contents
- Contents
- Table Index
- Figure Index
- 1Introduction
- 1.1Product Outline
- 1.2Hardware Interface Overview
- 1.3Hardware Block Diagram
- 1.4Functional Overview
- 2Package Information
- 2.1.Pin Assignment Overview
- 2.2.Pin Description
- 2.3.Mechanical Information
- 2.4.Footprint Recommendation
- 3Interface Application
- 3.1Power Supply
- 3.3UART Interface
- 3.4USB Interface
- 3.5SIM Interface
- 3.6PCM Interface
- 3.7I2C Interface
- 3.8SPI Interface
- 3.9Network status
- 3.10ADC interface
- 3.11LDO output
- 3.12USB_BOOT Interface
- 3.13GPIO Interface
- 3.14 RF control Interface
- 3.15Force USB Download Interface
- 4RF Specifications
- 4.1LTE RF Specifications
- 4.2LTE Antenna Design Guide
- 4.3GNSS
- 4.4RF traces note
- 5 Electrical Specifications
- 5.1Absolute maximum ratings
- 5.2Operating conditions
- 5.3Operating Mode
- 5.4Current Consumption
- 5.5ESD Notes
- 6 SMT Production Guide
- 6.1Top and Bottom View of SIM7090G
- 6.2Label Information
- 6.3Typical SMT Reflow Profile
- 6.5Baking
- 6.6Stencil Foil Design Recommendation
- 7 Packaging
- 7.1Tray packaging
- 8 Appendix
- 8.1Coding Schemes and Maximum Net Data Rates over Air
- 8.2Related Documents
- 8.3Terms and Abbreviations
- 8.4Safety Caution
SIM7090G User Manual V1.01
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Table 33: Recommended TVS
Package
Part Number
Vender
0201
LXES03AAA1-154
Murata
0402
LXES15AAA1-153
Murata
4.3 GNSS
SIM7090G merges GNSS (GPS/GLONASS/BD) satellite and network information to provide a
high-availability solution that offers industry-leading accuracy and performance. This solution performs well,
even in very challenging environmental conditions where conventional GNSS receivers fail, and provides a
platform to enable wireless operators to address both location-based services and emergency mandates.
4.3.1. GNSS Technical specification
Tracking sensitivity: -159 dBm (GPS+GLONASS)/-159 dBm (GPS+BD)
Cold-start sensitivity: -147 dBm
Accuracy (Open Sky): 1 m (CEP50)
TTFF (Open Sky) : Hot start < 1 s, Cold start< 31 s
Receiver Type: 16-channel, C/A Code
GNSS L1 Frequency: 1575.42±1.023MHz
GLONASS: 1597.5~1605.8 MHz
BD: 1559.05~1563.14 MHz
Galileo L1: 1575.42±1.023MHz
Update rate: Default 1 Hz
GNSS data format: NMEA-0183
GNSS Current consumption : 54mA (AT+CFUN=0,without USB)
GNSS antenna: Passive/Active antenna
If the antenna is active type, the power should be given by main board because there is no power
supply on the GNSS antenna pad. If the antenna is passive, it is suggested that the external LNA
should be used.
NOTE