Wide band sensor question

ok. my question is if i want my a/f gauge to not be a light show, do i just need a wideband o2 sensor, or do i need the whole sensor module setup? I plan on having someone tune my car later down the road? just would like gauge to be useful.
 
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you need the whole setup, wideband sensor and a wideband gauge.

I went with the AEM Wideband UEGO i think its called, i like it alot, alot of people suggest and use the LM-2 setup with great success. I got the AEM all setup so I can data log into my tweecer as well, works great.
 
you need the whole setup, wideband sensor and a wideband gauge.

I went with the AEM Wideband UEGO i think its called, i like it alot, alot of people suggest and use the LM-2 setup with great success. I got the AEM all setup so I can data log into my tweecer as well, works great.

:stupid: