Yea! Useful if you need precise timing under temp swings. I use them for UAS LoRa radios. Def more expensive than a normal XO!

It's also something you want to look for if you're buying an SDR. Getting one with a TCXO will eliminate frequency drift, and the better-made SDRs will also have little or no need for frequency correction.

But cheaper than OCXO and far less power consumption too. Also (much) less stable.