EPC-R5710 Mini-PCIE：4G（EC20CEFHLG）
From ESS-WIKI
Test 4G with Qucetel EC20CEFHLG Module
Step 1: Connect the PCIE card to Mini PCIE slot.
Step 2: Execute the quectel-CM command to connect the network
# quectel-CM & # ping -I wwan0 8.8.8.8