4GLTE: 1.4G-1.8G
1. Power interface
2.USB2.0 High-Speed interface x2
3.UART interface x4
4.USIM/SIM card,Support SIM hot plug function
5.GPIO interface
6.PCM
7.RMII
8. SDIO interface × 1,
9. Digital voice interface
10. Hardware reset interface
LTE:150Mbps/50Mbps
1TX 2RX