Special channel
A special channel is an additional channel in the frequency range for the transmission of cable television programs in the cable network compared to terrestrial television via antenna . Special channels are used for both analog and digital television . Special channels cannot be used via antenna because the corresponding frequencies are reserved for purposes other than television programs.
A distinction is made between the following channel areas:
USB
Lower special channel range (midband): channels S1 to S10 in the VHF. Embedded between Band II and Band III with an available bandwidth of 7 MHz per channel
- VHF Band II : 87.5-104 (108) MHz
- S1 : 104–111 MHz (discontinuation with expansion of the VHF band to 108 MHz)
- S2 : 111–118 MHz (used until January 1999 for DSR )
- S3 : 118-125 MHz (used until January 1999 for DSR )
- ...
- S10 : 167-174 MHz
- CCIR channel 5 : 174–181 MHz (band III)
OSB
Upper special channel area (superband): channels S11 to S20 in the VHF. Embedded between band III and 300 MHz border between VHF and UHF with available bandwidth 7 MHz per channel
- CCIR channel 12 : 223-230 MHz (band III)
- S11 : 230-237 MHz
- ...
- S20 : 293-300 MHz
- End of VHF : 300 MHz
| KW | VHF | ||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LMK | ZF | Volume I. | OIRT | Volume II | Lower special channel area | Volume III | Upper special channel area | ||||||||||||||||||||||||||||||||||
| 1 | 2 | 3 | 4th | S1 | S2 | S3 | S4 | S5 | S6 | S7 | S8 | S9 | S10 | 5 | 6th | 7th | 8th | 9 | 10 | 11 | 12 | S11 | S12 | S13 | S14 | S15 | S16 | S17 | S18 | S19 | S20 | ||||||||||
| 0 | 3 | 30th | 32.9 | 39.9 | 41 | 47 | 54 | 61 | 65.9 | 68 | 74 | 87.5 | 104 | 108 | 111 | 118 | 125 | 132 | 139 | 146 | 153 | 160 | 167 | 174 | 181 | 188 | 195 | 202 | 209 | 216 | 223 | 230 | 237 | 244 | 251 | 258 | 265 | 272 | 279 | 286 | 293 |
ESB
Extended special channel range (hyperband): channels S21 to S41 in UHF. Embedded between 300 MHz border between VHF and UHF and Band IV with an available bandwidth of 8 MHz per channel
- Start of UHF : 300 MHz
- Gap: 300-302 MHz
- S21 : 302-310 MHz
- ...
- S41 : 462-470 MHz
- CCIR channel 21 : 470-478 MHz (band IV)
Exact frequency information for all special channels can be found under cable television .
| UHF | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Extended special channel range | Volume IV | Volume V | ... | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| S21 | S22 | S23 | S24 | S25 | S26 | S27 | S28 | S29 | S30 | S31 | S32 | S33 | S34 | S35 | S36 | S37 | S38 | S39 | S40 | S41 | 21st | 22nd | 23 | 24 | 25th | 26th | 27 | 28 | 29 | 30th | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | ||
| 300 | 302 | 310 | 318 | 326 | 334 | 342 | 350 | 358 | 366 | 374 | 382 | 390 | 398 | 406 | 414 | 422 | 430 | 438 | 446 | 454 | 462 | 470 | 478 | 486 | 494 | 502 | 510 | 518 | 526 | 534 | 542 | 550 | 558 | 566 | 574 | 582 | 590 | 598 | 606 | 614 | 622 | 630 | 638 | 646 | 654 | 662 | 670 | 678 | 686 | 694 | 702 | 710 | 718 | 726 | 734 | 742 | 750 | 758 | 766 | 774 | 782 | 790 | 798 | 806 | 814 | 822 | 830 | 838 | 846 | 854 | 862 |