# Why is Sample Rate an option. What is to be gained by slowing it down?

**URL:** <https://forums.digi.com/t/why-is-sample-rate-an-option-what-is-to-be-gained-by-slowing-it-down/14046>\
**Category:** XCTU\
**Tags:** sample-rate, samples-before-tx, xbee\
**Created:** [December 8, 2014, 11:34am UTC](https://forums.digi.com/t/why-is-sample-rate-an-option-what-is-to-be-gained-by-slowing-it-down/14046 "2014-12-08T11:34:38Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![Walter\_Clark](https://avatars.discourse-cdn.com/v4/letter/w/65b543/32.png) [@Walter\_Clark](https://forums.digi.com/u/Walter_Clark)\
**Post date:** [December 8, 2014, 11:34am UTC](https://forums.digi.com/t/why-is-sample-rate-an-option-what-is-to-be-gained-by-slowing-it-down/14046/1 "2014-12-08T11:34:38Z")

</div>

The RF output appears to be 40 pulses per second. Yet the data sampling rate is as fast as 1000 times per second. Is there an interesting explanation for why the sample rate can be faster than the data sending rate? And is there also a trade off for changing the “Samples before Tx”?

---

<div class="post-metadata">

**Author:** ![mvut](https://sea2.discourse-cdn.com/flex016/user_avatar/forums.digi.com/mvut/32/31_2.png) [@mvut](https://forums.digi.com/u/mvut)\
**Post date:** [December 10, 2014, 3:26pm UTC](https://forums.digi.com/t/why-is-sample-rate-an-option-what-is-to-be-gained-by-slowing-it-down/14046/2 "2014-12-10T15:26:38Z")

</div>

What product are you looking at? There may be valid reasons for what you see.