I know there are people who already mod their Huawei E220 Modem to support an external antenna. I just bought that modem last month and subscribe to Celcom Broadband packages (Malaysia). After a month using celcom broadband I still not satisfy with the speed. Celcom broadband suck.. the connection is terrible.. every 15 minutes it keep disconnecting. What the funnnn!!.. Now I have to doubled my working time, since the connection is SUCK.. Maybe I have to find another alternative. External antenna maybe. Like my DIY wifi antenna, I have successfully quadrupled the gain. But with this Huawei E220 I think its not that easy to mod it. Need to reasearch first otherwise i will brick my modem.

The pictures shows the internal view of Huawei E220. The one in the red circle is the connector for the external antenna. Yes, it is possible to add the external antenna. We just need to find the suitable connector for that. I still searching for the suitable connector. Unfortunately the connector is smaller than ZTE MF622 .

As you can see at the back of ZTE MF622 there is a connector for external antenna.

There are a lot of external antenna for ZTE modem, but for huawei E220 sigh! Where i can get it. Any suggestion. At least for the connector.

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