Yes you can.
You can share your Android smartphone’s Internet (cellular) connection with a Peplink Pepwave router using USB tethering (wired).
If you’re looking to tether wirelessly, then here’s a related article: Setting up simultaneous Wi-Fi as WAN and Wi-Fi AP
Android smartphone running version 4.1.x or above
A USB cable suitable for your Android smartphone
On your Android smartphone, head to Settings, then in the Wlreless & networks section > More, find Tethering & portable hotspot. Make sure your USB cable is connected from phone to router, then tap to activate USB tethering.
Watch 3Gstore demonstrate USB tethering:
Note: iPhone tethering is not supported at the moment due to lack of open APIs.