Quectel EG915U Series - Page 7

LTE Standard Module Series
EG915U_Series_Hardware_Design 6 / 81
4.1.3. Receiver Interface Design .............................................................................................. 39
4.2. USB Interface .......................................................................................................................... 40
4.3. USB_BOOT Interface .............................................................................................................. 42
4.4. (U)SIM Interface ...................................................................................................................... 43
4.5. I2C and PCM Interfaces ....................................................................................................... 45
4.6. UART Interfaces ...................................................................................................................... 46
4.7. ADC Interface .......................................................................................................................... 48
4.8. SPI Interface ............................................................................................................................ 50
4.9. PSM Interface* ........................................................................................................................ 50
4.10. Indication Signal ...................................................................................................................... 51
4.10.1. Network Status Indication ....................................................................................... 52
4.10.2. STATUS .................................................................................................................. 52
4.10.3. MAIN_RI.................................................................................................................. 53
4.11. Control Signal .......................................................................................................................... 54
5 Antenna Interfaces ............................................................................................................................. 55
5.1. Main Antenna Interface ........................................................................................................... 55
5.1.1. Pin Definition .................................................................................................................. 55
5.1.2. Operating Frequency ..................................................................................................... 55
5.1.3. Reference Design of Antenna Interface ......................................................................... 57
5.1.4. Operating Frequency ..................................................................................................... 58
5.2. Antenna Installation ................................................................................................................. 60
5.2.1. Antenna Design Requirement ........................................................................................ 60
5.2.2. RF Connector Recommendtion ..................................................................................... 60
6 Electrical Characteristics & Reliability ............................................................................................ 63
6.1. Absolute Maximum Ratings .................................................................................................... 63
6.2. Power Supply Ratings ............................................................................................................. 63
6.3. Operation and Storage Temperatures ..................................................................................... 64
6.4. Power Consumption ................................................................................................................ 64
6.5. Tx Power ................................................................................................................................. 72
6.6. Rx Sensitivity ........................................................................................................................... 73
6.7. ESD ......................................................................................................................................... 75
7 Mechanical Information ..................................................................................................................... 76
7.2 Mechanical Dimensions .......................................................................................................... 76
7.3 Recommended Footprint ......................................................................................................... 78
7.3 Top and Bottom Views ................................................................................................................... 79
8 Storage, Manufacturing & Packaging ........................................................................................... 80
8.1 Storage Conditions .................................................................................................................. 80
8.2 Manufacturing and Soldering .................................................................................................. 81
8.3 Packaging Specifications ........................................................................................................ 82
Packaging Process ....................................................................................................................... 84
9 Appendix References ........................................................................................................................ 86