Each model in the Peplink Balance series supports a single 4G, 3G, WiMAX, or LTE USB modem. To connect a supported cellular modem:
Peplink Balance 20/30/210/310:
Plug your supported USB modem into the provided USB port.
Peplink Balance 380/580/710/1350:
Though these models feature two USB ports, only one USB modem can be connected. Plug your supported USB modem into either one of the Balance’s USB ports.
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