# WP76xx command DALSWAVEFORM

**URL:** <https://forum.sierrawireless.com/t/wp76xx-command-dalswaveform/28476>\
**Category:** WP Series\
**Created:** [November 30, 2022, 1:59am UTC](https://forum.sierrawireless.com/t/wp76xx-command-dalswaveform/28476 "2022-11-30T01:59:57Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![larry1](https://avatars.discourse-cdn.com/v4/letter/l/f14d63/32.png) [@larry1](https://forum.sierrawireless.com/u/larry1)\
**Post date:** [November 30, 2022, 1:59am UTC](https://forum.sierrawireless.com/t/wp76xx-command-dalswaveform/28476/1 "2022-11-30T01:59:57Z")

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Hi ,

I have a question about command: !DALSWAVEFORM

```auto
AT!DALSWAVEFORM=<waveform>[,<PUSCH_RBs>,
<PUCCH_RBs>,<PUSCH_start_RB_index>]

```

As I know waveform is decided to set LTE PUSCH or PUCCH.

PUSCH\_RBs = means number of PUSCH resource blocks

 ![image](https://us1.discourse-cdn.com/flex025/uploads/sierrawireless/original/2X/3/3b2c54168c78b73fb9abda3ecc9a65ad2c1f0260.png)

how many bandwidth when I set PUSCH\_RBs =12 ? (I guess is about 2.4)  
What are the implications of PUCCH\_RBs?  
What does PUSCH\_start\_RB\_index mean?