Sunrise currently only builds its 5G network in the 3.5 GHz range with up to 2 GBit / s. It announced the second-largest Swiss mobile radio operator on November 1, 2019. A 5G expansion in the existing frequencies at 700 MHz to 2,600 MHz "would bring the advantage, quickly offering a broad 5G coverage, compatible devices are barely available and do not distinguish the connection speeds 
This expansion offers a good quality alternative, to replace long-term landline closures. In Germany, the earliest frequencies for 5G in the ranges are 2 GHz and 3.6 GHz. These were, according to Deutscher Telekom, recording the new transmission rates of up to ten Gbit / s.
"Switzerland is in Europe at 5G with great distance at its peak. We are proud that with the largest 5G network we have an amount of this The feedback is very positive "soft-spoken Olaf Swantee, chief of Sunrise. Sunrise takes care of its own offerings around 309 cities and locations with 5G. With lampsites, a 5G supply will be restored within buildings. Sunrise wants to expand the 5G network as quickly as possible in all regions and concentrates on the 5G expansion on the cantons and communities that want a rapid expansion. Sunrise's 5G equipment is the Chinese technology group of Huawei.
Swisscom leads 5G at various frequencies: The frequencies 1,800 and 2,100 MHz are suitable for coverage, and the 3,500 MHz frequency offers high capacity and speed great coverage. "We distinguish between 5G Fast – large data throughput, small coverage – and 5G Wide – Swiss 5G coverage with low data throughput" stated Swisscom spokeswoman Sabrina Hubacher Golem.de in April 2019.