Once upon a time, one wireless base station (BTS) was expected to support one, and only one wireless protocol, like GSM (2G), first deployed in Finland in 1991, or CDMAOne (also 2G) developed by Qualcomm and released through the TIA in 1995. Just a precision: the GSM modem speed was reaching 14.4 Kbps (with only 9.6 Kbps usable by end-user)… Read More