Simply replacing the factory 12v @ 1A, AC power supply with a 12v @ 2A may provide sufficient power for the modem. This generally works well. Cheers The ModemsandMen Rooter team...

Not really. :) The latest firmware for the MR3420 V2 supports the E3276. http://www.tp-link.se/support/download/?model=TL-MR3420&version=V2...

Depending on your location, signal strength and data throughput speed, the power needs of a 4G modem will vary and may rise to 800mA at 5v. If the router cannot supply this power the modem will fail...

Well spotted. Cheers

kannank wrote ***update*** I used a extension cable that came with another datacard and the Router seems to be happy with it. The performance is significantly improved. Good news. There are USB...

Hi, That's fine and understandable. Do you have a modem other than the Huawei E173 that you could try next time you roam? Cheers John k