Shure Block K53wireless mic block coverage
606–678 MHz72.0 MHz tuning range614.1–616.9 MHz usable in US (duplex gap only); most of K53 reallocated domestically
TV channels overlapping this block
ch.36ch.37
DTV stations on these RF channels are the primary interference sources for mics in this block.
Nationwide coverage map — Shure Block K53
Predicted RF congestion at 1.5° grid points across the contiguous US. Green = lower interference, red = heavier congestion from nearby DTV stations. Based on FCC seed data; verify with on-location scan.
Best US markets for this block
| # | Market | Status |
|---|---|---|
| 1 | Tampa–St. Petersburg | Recommended |
| 2 | Orlando–Daytona Beach | Recommended |
| 3 | Cleveland–Akron | Recommended |
| 4 | Baltimore | Recommended |
| 5 | Nashville | Recommended |
| 6 | Hartford–New Haven | Recommended |
| 7 | Columbus, OH | Recommended |
| 8 | Milwaukee | Recommended |
| 9 | Cincinnati | Recommended |
| 10 | San Antonio | Recommended |
| 11 | West Palm Beach–Ft. Pierce | Recommended |
| 12 | Greenville–Spartanburg–Asheville | Recommended |
| 13 | Oklahoma City | Recommended |
| 14 | Harrisburg–York–Lancaster | Recommended |
| 15 | Jacksonville | Recommended |
| 16 | Birmingham | Recommended |
| 17 | Norfolk–Virginia Beach | Recommended |
| 18 | Albuquerque–Santa Fe | Recommended |
| 19 | Louisville | Recommended |
| 20 | Memphis | Recommended |
Most congested markets for this block
| # | Market | Status |
|---|---|---|
| 1 | Seattle–Tacoma | Avoid |
| 2 | Washington, DC | Avoid |
| 3 | Chicago | Avoid |
| 4 | New York | Avoid |
| 5 | Pittsburgh | Avoid |
| 6 | San Francisco Bay Area | Avoid |
| 7 | Indianapolis | Avoid |
| 8 | Austin | Avoid |
| 9 | Raleigh–Durham | Avoid |
| 10 | Salt Lake City | Caution |
Compatible Shure models
AXT100 (Axient Digital)RXAD1 (Axient Digital)TXAD1LEMO (Axient Digital)TXADX1 (Axient Digital)TXADX2 (Axient Digital)TXADX2FD (Axient Digital)TX
Score your address with Shure Block K53
Enter your shoot location to see how this block performs at your exact position — RF Scout will highlight which TV channels are active nearby and whether your block is usable.