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Maximum Transmission Length for "HD" Series Coaxial

SD-SDI(NTSC) SD-SDI(PAL) SD-SDI SD_SDI HD 3 GHz 3 GHz 6 GHz 12 GHz
Data Rate 143 Mb/s 177 Mb/s 270 Mb/s 360 Mb/s 1.5 Gb/s 3 Gb/s 3 Gb/s 6 Gb/s 12 Gb/s
Spec SMPTE 259 SMPTE 259 SMPTE 259M SMPTE 259M SMPTE 292M (SMPTE 372M) SMPTE 424M SMPTE 425-4 SMPTE ST 2081-1 SMPTE ST 2082-1
Application Composite NTSC Composite PAL Composite 4:3 SD-SDI Widescreen SD-SDI 720p -1080i (Dual Link 1080p) 3G-SDI HD-SDI 1080i 1.5G-SDI UHDTV1 UHDTV2 UHDTV1, UHDTV2 UHDTV1, UHDTV2
Part No. Calculated Transmission Length [m] Calculated Transmission Length [m] Calculated Transmission Length [m] Calculated Transmission Length [m] Calculated Transmission Length [m] Calculated Transmission Length [m] Calculated Transmission Length [m] Calculated Transmission Length [m] Calculated Transmission Length [m]
HD300 152 137 116 111 34 25 25 24 21
HD600 288 256 234 205 73 50 95 66 46
HD720 410 375 310 271 88 60 129 86 55
HD850 400 345 280 246 71 48 96 63 38
HD920 454 408 318 272 79 53 106 57 53
HD1000 515 461 384 330 122 82 156 90 74
HD1300 581 520 433 372 144 120 192 128 81
HD1630 750 675 588 510 177 122 117 114 108
Application Composite Video FBAS S-Video S-VHS,Y/C Component Video RGB , YUV
Part No. Attenuation 100 MHz/100m Calculated Transmission Length [m] Calculated Transmission Length [m] Calculated Transmission Length [m]
HD300 22 dB 50 50 50
HD600 10 dB 121 121 121
HD720 7.5 dB 149 149 149
HD850 9.8 dB 105 105 105
HD1000 6.4 dB 208 208 208
HD1300 4.7 dB 320 320 320
HD1630 4.2 dB 329 329 329

The calculated transmission distances are based on a formula in the SMPTE standards , in many cases tested distances are greater. 

Please use calculated distances prior to testing and allow sufficient headroom. 

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