Direct-to-Device Services Request for Comment

The National Telecommunications and Information Administration (NTIA) is seeking information and public comment on the potential impact on the GPS L1 signal at 1575.42 MHz of the increasing deployment of mobile devices capable of operating on satellite systems in the L-band at 1610-1660.5 MHz. Under current FCC rules, these devices are permitted to operate subject to a substantially less restrictive out-of-band emission limit than similar devices transmitting on the same frequencies and connecting to terrestrial base station systems. NTIA is seeking public comment on the risk of interference posed by this increased deployment of mobile devices capable of operating on L-band satellite systems at 1610-1660.5 MHz, as well as potential mitigation options to safeguard GPS systems while facilitating the potential benefits of direct-to-device services.