Quectel RG520N-AT - Page 7

5G Module Series
RG520N-AT_Hardware_Design 6 / 109
4.3. (U)SIM Interfaces ................................................................................................................. 48
4.4. I2C Interface ......................................................................................................................... 50
4.5. I2S Interface* ........................................................................................................................ 51
4.6. PCM Interfaces ..................................................................................................................... 52
4.6.1. PCM for SLIC or Codec ................................................................................................ 54
4.6.2. PCM for Bluetooth Audio* ............................................................................................. 54
4.7. UART .................................................................................................................................... 55
4.8. SDIO Interface ...................................................................................................................... 58
4.9. ADC Interface ....................................................................................................................... 60
4.10. SPI ........................................................................................................................................ 61
4.11. PCIe Interface ....................................................................................................................... 62
4.12. Control Signal ....................................................................................................................... 65
4.12.1. W_DISABLE# ........................................................................................................ 65
4.13. Indication Signals ................................................................................................................. 65
4.13.1. Network Status Indication ...................................................................................... 66
4.13.2. STATUS ................................................................................................................. 67
4.13.3. IPQ Status and Err Fatal Interface ........................................................................ 67
4.14. MAIN_RI ............................................................................................................................... 68
4.15. Time Service and Repeater Interface .................................................................................. 69
5 RF Specifications .............................................................................................................................. 70
5.1. Cellular Network ................................................................................................................... 70
5.1.1. Antenna Interfaces & Frequency Bands ....................................................................... 70
5.1.2. Antenna Tuner Control Interfaces* ............................................................................... 71
5.1.3. Tx Power ....................................................................................................................... 72
5.1.4. Rx Sensitivity ................................................................................................................. 72
5.1.5. Reference Design ......................................................................................................... 74
5.2. GNSS .................................................................................................................................... 74
5.2.1. Antenna Interface & Frequency Bands ......................................................................... 75
5.2.2. GNSS Performance ...................................................................................................... 75
5.2.3. Reference Design ......................................................................................................... 76
5.3. RF Routing Guidelines ......................................................................................................... 77
5.4. Antenna Design Requirements ............................................................................................ 79
5.5. RF Connector Recommendation .......................................................................................... 80
5.5.1. Recommended RF Connector for Installation .............................................................. 81
5.5.1.1. Assemble Coaxial Cable Plug Manually ........................................................ 81
5.5.1.2. Assemble Coaxial Cable Plug with Jig ........................................................... 82
5.5.2. Recommended Manufacturers of RF Connector and Cable ........................................ 82
6 Electrical Characteristics and Reliability ....................................................................................... 83
6.1. Absolute Maximum Ratings.................................................................................................. 83
6.2. Power Supply Ratings .......................................................................................................... 83
6.3. Power Consumption ............................................................................................................. 84
6.4. Digital I/O Characteristics ..................................................................................................... 85
6.5. ESD Protection ..................................................................................................................... 86