Assertion: radio wave's frequency | /r/HasProperty | 26.965–27.405 mhz
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Source sentences:
text: On 1 September 1987 the UK added the usual 40 frequencies (26.965–27.405 MHz) used worldwide, for a total of 80 channels at 27 MHz; antenna regulations were further relaxed, and the 934 MHz band was withdrawn in 1998.