From radio labs to anechoic chambers that look like Elsa's castle, here's a rare look at how Apple tests Bluetooth, Wi-Fi, 5G and satellite connectivity on the Apple Watch. Vanessa is a lead writer at CNET, reviewing and writing about the latest smartwatches and fitness trackers. She joined the brand first as an on-camera reporter for CNET's Spanish-language site, then moved on to the English side to host and produce some of CNET's videos and YouTube series. When she's not testing out smartwatch...