https://www.cnet.com/news/motorola-says-moto-z3s-mod-is-the-best-5g-platform-i-disagree/

Read: Verizon defends its 5G network's rocky start, throws shade at AT&T and T-Mobile

This Moto Z3 was able to pull down speeds upward of 600Mbps, and although the getup works, it's kludgy at best. The 5G Moto Mod is thick and heavy. You attach it magnetically and pins shuffle information and the data connection from the Mod, which has a Snapdragon 855 processor, and the X50 modem that makes 5G possible, to the phone.