FCC turned down Motorola petition for reconsideration in 700 MHz ...
FCC turned down Motorola petition for reconsideration in 700 MHz order that modified agency’s service rules. Rule change allowed base station transmitters to operate in both lower and upper commercial 700 MHz band after Commission concluded alteration wouldn’t be…
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likely to cause additional interference for public safety operators. FCC said change would provide for broadest possible spectrum use and expand participation in 700 MHz bidding. Agency rules had required commercial base stations to transmit in lower block frequencies of 747-762 MHz and corresponding mobile stations to transmit in upper block of 777- 792 MHz. Responding to several reconsideration petitions, Commission later altered policy in effort not to limit scope of new offerings in bands. Specifically, FCC said in order released Fri. that modification would let licensees configure systems to avoid potential interference to mobile receivers operating in lower block frequencies from TV stations in Ch. 56-59. Motorola petition cited concerns that change allowing base stations to operate in both upper and lower commercial bands would cause interference. Interference concerns stemmed from base station transmitters in upper block potentially creating problems for public safety base station receivers in nearby 794-806 MHz. Latest order said Commission was “unpersuaded” by new technical analysis submitted by Motorola. Adaptive Broadband Corp., ArrayComm, BellSouth and TRW had all opposed Motorola petition.