Table 1: Wireless Bands Radio Band U.S frequency allocation Typical application Maximum range Characteristics ISM (industrial,  scientific, medical);  no license required 902 to 928 MHz; 2,400 to 2,483 MHz (most commonly used); 5,725 to 5,875 MHz Internet access 25 miles  Low deployment cost; well-suited for ad hoc networks; lowest overall capacity LMDS (local  multipoint  distribution  service) 27.5 to 28.35 GHz; 29.1 to 29.25 GHz Internet access and telco services 2 miles Highest deployment cost; can serve many customers MMDS (multichannel  multipoint distribution  service) 2,500 to 2,655 MHz; 2,655 MHz to 2,690 MHz Internet access and telco services 35 miles Lower deployment cost than LMDS; lower capacity  38 GHz 38.6 to 39.5 GHz  Internet access and telco services 2 miles Similar to LMDS, though spectrum allocations are generally smaller