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TV White Space Devices
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TV white space devices are unlicensed intentional radiators that operate on available TV channels in the broadcast television frequency bands. Channel availability is determined from geospatial information and a TV bands database.
White space devices in the U.S. are governed by Part 15(H) of the FCC's rules. They operate on available TV channels in the broadcast television frequency bands, the 600 MHz band (including the guard bands and duplex gap), and in 608-614 MHz (channel 37).
TV white spaces has not been a commercial success and very few devices are in operation.
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Frequency Bands |
| Band | Use | Service11 | Table |
| 54 - 72 MHz | Restricted to mobile/fixed white space devices that communicate with other fixed/mobile white space devices | - | N |
| 76 - 88 MHz | Restricted to mobile/fixed white space devices that communicate with other fixed/mobile white space devices | - | N |
| 174 - 216 MHz | Restricted to mobile/fixed white space devices that communicate with other fixed/mobile white space devices | - | N |
| 470 - 614 MHz | Fixed and personal/portable white space devices | - | N |
| 617 - 652 MHz | Fixed and personal/portable white space devices in areas where 600 MHz licensees are not operating | - | N |
| 657 - 663 MHz | Fixed and personal/portable white space devices in the 600 MHz duplex gap | - | N |
| 663 - 698 MHz | Fixed and personal/portable white space devices in areas where 600 MHz licensees are not operating | - | N |
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