Product Info

LTE Standard Module Series
EC25 Hardware Design
EC25_Hardware_Design 6 / 112
3.15. Network Status Indication ..................................................................................................... 60
3.16. STATUS ................................................................................................................................ 61
3.17. Behaviors of RI ..................................................................................................................... 62
3.18. SGMII Interface ..................................................................................................................... 62
3.19. Wireless Connectivity Interfaces ........................................................................................... 64
3.19.1. WLAN Interface ........................................................................................................... 67
3.19.2. BT Interface* ................................................................................................................ 67
3.20. USB_BOOT Interface............................................................................................................ 67
4 GNSS Receiver ................................................................................................................................ 70
4.1. General Description .............................................................................................................. 70
4.2. GNSS Performance .............................................................................................................. 70
4.3. Layout Guidelines ................................................................................................................. 71
5 Antenna Interfaces .......................................................................................................................... 72
5.1. Main/Rx-diversity Antenna Interfaces.................................................................................... 72
5.1.1. Pin Definition ................................................................................................................ 72
5.1.2. Operating Frequency ................................................................................................... 72
5.1.3. Reference Design of RF Antenna Interface ................................................................. 74
5.1.4. Reference Design of RF Layout ................................................................................... 74
5.2. GNSS Antenna Interface ....................................................................................................... 76
5.3. Antenna Installation .............................................................................................................. 78
5.3.1. Antenna Requirement .................................................................................................. 78
5.3.2. Recommended RF Connector for Antenna Installation ................................................ 79
6 Electrical, Reliability and Radio Characteristics .......................................................................... 81
6.1. Absolute Maximum Ratings .................................................................................................. 81
6.2. Power Supply Ratings ........................................................................................................... 82
6.3. Operation and Storage Temperatures .................................................................................. 82
6.4. Current Consumption ............................................................................................................ 83
6.5. RF Output Power ................................................................................................................ 101
6.6. RF Receiving Sensitivity ..................................................................................................... 102
6.7. Electrostatic Discharge ....................................................................................................... 108
6.8. Thermal Consideration ........................................................................................................ 109
7 Mechanical Dimensions................................................................................................................ 111
7.1. Mechanical Dimensions of the Module................................................................................ 111
7.2.
Recommended Footprint ..................................................................................................... 113
7.3. Design Effect Drawings of the Module ................................................................................ 114
8 Storage, Manufacturing and Packaging ...................................................................................... 115
8.1. Storage ............................................................................................................................... 115
8.2. Manufacturing and Soldering .............................................................................................. 116
8.3. Packaging ........................................................................................................................... 117
9 Appendix A References ................................................................................................................ 119
10 Appendix B GPRS Coding Schemes ........................................................................................... 123