Sprint has added Baltimore and Philadelphia to its Sprint Spark network offering, making the new tri-band network technology now available in 14 total markets. Customers within these areas will notice speed improvements, as long as capable devices are being used with the network. Sprint Spark makes use of a unique combination of advanced networking capabilities in order to deliver quick mobile data accessibility. Bob Azzi, the chief network officer for Sprint, noted that customers within the two new markets will continue to see speed improvements as the network implementation is optimized. Along with quicker speeds, customers within Baltimore and Philadelphia will notice improved call quality in the coming weeks, with the introduction of high-definition voice on the Sprint Spark network. A phone with HD voice incorporates seven octaves of sound, while a typical phone that does not support the feature only provides four.
Source: Press Release