Huawei E220 External Antenna +7db

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Introduction: Huawei E220 External Antenna +7db

A quick and easy hack to boost the signal on a E220 modem.

Parts required:

Huawei E220 modem. Warrenty will be voided ;)
Soldering Iron
Wire Strippers
Female SMA RF connector
7db omnidirectional magnetic base antenna with 3m cable (or what suits your price range). Mine was 200 Bucks. ($20)


     1: Remove the SIM tray and  faceplate covering the signal LED with a small screwdriver. (Plastic is better as not to scuff)

     2: Remove the Torx  screw just next to the LED and carefully unclip the cover.

     3: Once opened, remove the clear plastic standard antenna. Opposite to the USB port.

     4: Strip and solder the SMA cable to the pins where we removed the plastic antenna.

     5: Heat up a screwdriver with the same width as the tail, then melt a space for the cable to sit outside the housing.

     6: Put it all back together, test, then superglue.



I have kept the tail short so i can travel with the modded antenna.

Happy Hacking :)

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