# Momentary Tx when changing frequencies

**URL:** <https://discourse.myriadrf.org/t/momentary-tx-when-changing-frequencies/3488>\
**Category:** LimeSDR\
**Created:** [13 October 2018 21:07 UTC](https://discourse.myriadrf.org/t/momentary-tx-when-changing-frequencies/3488 "2018-10-13T21:07:59Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![yindra](https://yyz2.discourse-cdn.com/flex034/user_avatar/discourse.myriadrf.org/yindra/32/1901_2.png) [@yindra](https://discourse.myriadrf.org/u/yindra)\
**Post date:** [15 October 2018 14:40 UTC](https://discourse.myriadrf.org/t/momentary-tx-when-changing-frequencies/3488/2 "2018-10-15T14:40:17Z")

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This sounds like the same issue:

> [@Strange TX burst before intended transmission - LimeSDR-mini](https://discourse.myriadrf.org/t/strange-tx-burst-before-intended-transmission-limesdr-mini/3485/5):
>
> It may be due to the slow interface: Try if it gets better by using cacheCalibrations: args = dict(driver='lime', cacheCalibrations='1') self.sdr\_device = SoapySDR.Device(args)

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_[View the full topic](https://discourse.myriadrf.org/t/momentary-tx-when-changing-frequencies/3488)._