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Gateway sim card in a different router

  • 8 July 2023
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I have read about how to add an external antenna to the KVD21 and am a little nervous.  Instead, has anyone removed the SIM card from the KVD21 and put it in a different router that has antenna ports?  Are there specific settings that are needed for this?

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Best answer by copz1998 8 July 2023, 16:16

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@mattbuilt to my knowledge, the TM SIM card will not work on a non-TM gateway. I am told that the SIM card is programed to work with the TM gateways. I personally tried it with an aftermarket gateway with negative results. 

As far as adding an external antenna, I did so and I am very happy with the results. To your point, the antenna contacts on the gateway are copper and very fragile, so being gentle and steady are required traits.

I hope this helps.

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