The tail of the GD01-N routing master HLK-7628N is 1.5mm longer than that of the GD01 routing master HLK-7688A (the part in the red box as shown in the figure).
Please make sure that there is enough space to change the position .
Indicator light description
SIM card detection indicator :module is powered on, mechanical Detect whether the SIM card is inserted, the light is on to indicate that the SIM card is not inserted,and the light is off to indicate that the card is inserted
Networking indicator :This light will be on when using 3G/4G data to access the Internet, and it will be off if you cannot access the Internet or use external network communication
WAN port indicator light :the communicable network cable is connected to the WAN network port, the light will always be on or flashing
LAN port indicator light :the communicable network cable is connected to the LAN network port, the light will always be on or flashing
Contact me please if you need the full datasheet of it .