Coax Solutions Ltd offers a full range of in house cable assembly solutions.
Belden 1505A - RG59 type Low Loss Serial digital coax cable. Black PVC Jacket for indoor and outdoor use. Suitable for SDI, HD-SDI and UHDTV applications to 6GHz.
Belden 1505A data sheet here: Belden 1505A Data sheet.pdf
Belden 1505A Recommended transmission distance chart here: digital-video-distance-chart-24-4-2019.pdf