Product Info

LTE Standard Module Series
EC25 Series Hardware Design
EC25_Series_Hardware_Design 9 / 134
3.13. SD Card Interface ................................................................................................................ 5856
3.14. Wireless Connectivity Interfaces ......................................................................................... 6058
3.14.1. WLAN Interface .......................................................................................................... 6260
3.14.2. BT Interface ................................................................................................................ 6361
3.15. ADC Interfaces .................................................................................................................... 6361
3.16. SGMII Interface .................................................................................................................... 6462
3.17. Network Status Indication .................................................................................................... 6664
3.18. STATUS ............................................................................................................................... 6866
3.19. Behaviors of RI .................................................................................................................... 6866
3.20. USB_BOOT Interface .......................................................................................................... 6967
4 GNSS Receiver ............................................................................................................................... 7169
4.1. General Description ............................................................................................................. 7169
4.2. GNSS Performance ............................................................................................................. 7169
4.3. Layout Guidelines ................................................................................................................ 7270
5 Antenna Interfaces ......................................................................................................................... 7371
5.1. Main/Rx-diversity Antenna Interfaces.................................................................................. 7371
5.1.1. Pin Definition .............................................................................................................. 7371
5.1.2. Operating Frequency ................................................................................................. 7371
5.1.3. Reference Design of RF Antenna Interface ............................................................... 7573
5.1.4. Reference Design of RF Layout................................................................................. 7573
5.2. GNSS Antenna Interface ..................................................................................................... 7775
5.3. Antenna Installation ............................................................................................................. 7977
5.3.1. Antenna Requirement ................................................................................................ 7977
5.3.2. Recommended RF Connector for Antenna Installation ............................................. 7977
6 Electrical, Reliability and Radio Characteristics ........................................................................ 8280
6.1. Absolute Maximum Ratings ................................................................................................. 8280
6.2. Power Supply Ratings ......................................................................................................... 8381
6.3. Operating and Storage Temperatures ................................................................................ 8381
6.4. Current Consumption .......................................................................................................... 8482
6.5. RF Output Power ............................................................................................................. 109107
6.6. RF Receiving Sensitivity .................................................................................................. 110108
6.7. Electrostatic Discharge .................................................................................................... 119116
6.8. Thermal Consideration .................................................................................................... 119117
7 Mechanical Dimensions ............................................................................................................ 122119
7.1. Mechanical Dimensions of the Module............................................................................ 122119
7.2. Recommended Footprint ................................................................................................. 123120
7.3. Design Effect Drawings of the Module ............................................................................ 125122
8 Storage, Manufacturing and Packaging .................................................................................. 126123
8.1. Storage ............................................................................................................................ 126123
8.2. Manufacturing and Soldering .......................................................................................... 127124
8.3. Packaging ........................................................................................................................ 128125