These tables detail the frequencies used in European cable networks. Cable networks use frequencies which are used by different users over-the-air, like the military, police radio, etc. Because of the late introduction of cable television in Europe, older television sets generally could not receive the special cable-only channels, so some countries (like Germany) still have the rule that the public TV stations must be located either in Band I or Band III. The Hyperband was allocated later than the other cable-only channels, so television sets produced in the late 80s and early 90s may lack this band.
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In most cable networks, the UHF band is unusable because its frequency is too high, so TV stations are only allocated within Band I, III, the Mid-, Super- and Hyperband. Even in modern cable networks, only some UHF channels (like only channels 21-26) may be usable. This leads to a high level of congestion in many European cable TV networks, especially as analog transmission, which is still commonplace in cable television in Europe, is being migrated to digital transmission.