# MC7354 Aux antenna

**URL:** <https://forum.sierrawireless.com/t/mc7354-aux-antenna/8495>\
**Category:** MC/EM Series\
**Created:** [April 1, 2016, 7:41pm UTC](https://forum.sierrawireless.com/t/mc7354-aux-antenna/8495 "2016-04-01T19:41:26Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![BobGilbert](https://avatars.discourse-cdn.com/v4/letter/b/aca169/32.png) [@BobGilbert](https://forum.sierrawireless.com/u/BobGilbert)\
**Post date:** [April 1, 2016, 7:41pm UTC](https://forum.sierrawireless.com/t/mc7354-aux-antenna/8495/1 "2016-04-01T19:41:26Z")

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I’m trying to get the MC7354 Aux antenna to work, I can’t find related commands to enable/disable this feature.

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**Author:** ![Rex\_alex](https://avatars.discourse-cdn.com/v4/letter/r/73ab20/32.png) [@Rex\_alex](https://forum.sierrawireless.com/u/Rex_alex)\
**Post date:** [April 5, 2016, 10:01am UTC](https://forum.sierrawireless.com/t/mc7354-aux-antenna/8495/2 "2016-04-05T10:01:52Z")

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MC7354 supports aux antenna ❓

-Alex

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**Author:** ![BobGilbert](https://avatars.discourse-cdn.com/v4/letter/b/aca169/32.png) [@BobGilbert](https://forum.sierrawireless.com/u/BobGilbert)\
**Post date:** [April 5, 2016, 2:15pm UTC](https://forum.sierrawireless.com/t/mc7354-aux-antenna/8495/3 "2016-04-05T14:15:05Z")

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With both antenna hooked up, I disconnect the Main antenna and I lose the cell signal

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**Author:** ![thartnett](https://avatars.discourse-cdn.com/v4/letter/t/7c8e57/32.png) [@thartnett](https://forum.sierrawireless.com/u/thartnett)\
**Post date:** [April 5, 2016, 4:22pm UTC](https://forum.sierrawireless.com/t/mc7354-aux-antenna/8495/4 "2016-04-05T16:22:32Z")

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> [@BobGilbert](#):
>
> With both antenna hooked up, I disconnect the Main antenna and I lose the cell signal

Makes sense. The diversity is only active on RX. By disconnecting the main antenna, you’ve killed your tx entirely.