T-Mobile Tops 3 Gbps with World's First Standalone 5G Carrier Aggregation Achievement heshmore.com T-Mobile Tops 3 Gbps with World's First Standalone 5G Carrier Aggregation Achievement.The Un-carrier advanced Standalone 5G yet again by combining three channels of mid-band spectrum on a commercial device – a global first on a live production networkT-Mobile pulled off the feat with help fr .... read more