# How to set the carrier frequency on the GMSK Mod or GMSK Modulator blocks?

**URL:** <https://www.ruby-forum.com/t/how-to-set-the-carrier-frequency-on-the-gmsk-mod-or-gmsk-modulator-blocks/253691>\
**Category:** GNU Radio\
**Created:** [January 29, 2020, 11:33pm UTC](https://www.ruby-forum.com/t/how-to-set-the-carrier-frequency-on-the-gmsk-mod-or-gmsk-modulator-blocks/253691 "2020-01-29T23:33:26Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Artur1988](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/3d9bf3/32.png) [@Artur1988](https://www.ruby-forum.com/u/Artur1988)\
**Post date:** [January 29, 2020, 11:33pm UTC](https://www.ruby-forum.com/t/how-to-set-the-carrier-frequency-on-the-gmsk-mod-or-gmsk-modulator-blocks/253691/1 "2020-01-29T23:33:26Z")

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The only available adjustable parameters are the number of samples per symbol and BT = bandwidth of the gaussian filter\*bit period. I can be wrong, but I suppose that there is no connection between these parameters and the carrier frequency.