# LTE RF Transmission Path Test with Power Meter using EM7411

**URL:** <https://forum.sierrawireless.com/t/lte-rf-transmission-path-test-with-power-meter-using-em7411/29732>\
**Category:** MC/EM Series\
**Created:** [May 11, 2023, 2:59pm UTC](https://forum.sierrawireless.com/t/lte-rf-transmission-path-test-with-power-meter-using-em7411/29732 "2023-05-11T14:59:30Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![jelyons](https://avatars.discourse-cdn.com/v4/letter/j/74df32/32.png) [@jelyons](https://forum.sierrawireless.com/u/jelyons)\
**Post date:** [May 11, 2023, 2:59pm UTC](https://forum.sierrawireless.com/t/lte-rf-transmission-path-test-with-power-meter-using-em7411/29732/1 "2023-05-11T14:59:30Z")

</div>

Command line error when trying to turn on Tx path ( AT!DALTXCONTROL) for TDD Band 48. Power looks low and want to use AT! to measure with Power Meter. The following is what I am sending and getting back:  
ati  
Manufacturer: Sierra Wireless, Incorporated  
Model: EM7411  
Revision: SWI9X50C\_01.14.03.00 b06bd3 jenkins 2020/09/23 10:53:35  
IMEI: 350734570144121  
IMEI SV: 13  
FSN: 8F3071202804B1  
+GCAP: +CGSM

AT!ENTERCND=“XXXX”  
OK  
AT!DAFTMACT  
290300

OK

AT!DARCONFIG=0,3,48,55990,2

OK  
AT!DALTXCONTROL=0,1,10,1,0,1,12,19  
ERROR