# Very weak reception and transmission does not work. Is my limesdr mini defective? **URL:** \ **Category:** LimeSDR\ **Created:** [2 December 2018 17:42 UTC](https://discourse.myriadrf.org/t/very-weak-reception-and-transmission-does-not-work-is-my-limesdr-mini-defective/3784 "2018-12-02T17:42:26Z")\ **Posts on this page:** 1\ **Showing post:** 20

**Author:** ![farsdr](https://avatars.discourse-cdn.com/v4/letter/f/a698b9/32.png) [@farsdr](https://discourse.myriadrf.org/u/farsdr)\ **Post date:** [1 January 2019 03:05 UTC](https://discourse.myriadrf.org/t/very-weak-reception-and-transmission-does-not-work-is-my-limesdr-mini-defective/3784/20 "2019-01-01T03:05:26Z")

Hi @Zack, I have a similar problem with my LimeSDR Mini, in my case **I can not obtain any signal from the TX port**. Could you please help me? Maybe a test (as you have mentioned) could help me to figure out if there’s a solution to my problem. I have a cable (SMA-SMA) to connect the output and input ports. I’ve posted the info related to my problem, unfortunately I haven’t received any comments. Here’s the info of my problem: > [@LimeSDR mini - Problems with transmission](https://discourse.myriadrf.org/t/limesdr-mini-problems-with-transmission/3821): > > Hi, I’ve been testing my LimeSDR mini these last days and I have detected some problems. Probably the biggest one is that I can not obtain any signal from the TX port. I’ve used other SDR devices (other brands) without problems and I can measure those signal using an oscilloscope (other brand devices). But for the LimeSDR mini I can’t detect any signal. Even when I use the same examples that I use with the other devices (of course changing the device option). I have tried to change all the ava… Best regards, --- _[View the full topic](https://discourse.myriadrf.org/t/very-weak-reception-and-transmission-does-not-work-is-my-limesdr-mini-defective/3784)._