Hi Eddie!
The blue and white antenna cables are basically fused together on some metal (and this one is attached to the PSU).
Here you can see where it comes together (the part): https://www.ebay.com/itm/196416264711?norover=1&mkevt=1&mkrid=711-169407-715209-8&mkcid=2&itemid=196416264711&targetid=293946777986&device=c&mktype=pla&googleloc=9193247&poi=&campaignid=20536901515&mkgroupid=153284523317&rlsatarget=pla-293946777986&abcId=&merchantid=119648210&gad_source=1&gclid=EAIaIQobChMIuPyw7bm8hwMVDamDBx2nghtAEAQYASABEgJUFfD_BwE
Those are for the WiFi and Bluetooth together.