LTE RF Transmission Path Test with Power Meter using EM7411

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