Premier Farnell
cable, sec, black, 6.75x12.7mm, 152.4m; reel length (imperial):500ft; reel length (metric):152.4m; wire size, awg:18awg; conductor area csa:0.891mm²; cores, no. of:3; outer insulation colour:black; outer insulation material:pvc; conductor make-up:7 / 26awg; conductor material:copper; complex cable make-up:1 / 1 / 20 + 2 / 7 / 26; voltage, rating:300v; attenuation @ 100mhz:2.1db; attenuation @ 10mhz:0.64db; attenuation @ 1ghz:7.1db; attenuation @ 1mhz:0.20db; attenuation @ 200mhz:3.0db; attenuation @ 400mhz:4.3db; attenuation @ 5.0mhz:0.45db; attenuation @ 50mhz:1.46db; core-screen capacitance:16.3pf/ft; dimensions:6.75mm x 12.7mm; primary insulation colour:white, black, red; primary insulation material:pe / pvc; secondary insulation colour:black; secondary insulation material:pvc; temp, op. max:80°c; temp, op. min:-35°c; velocity of propagation:83%; voltage rating, ac:300v
http://grh.premierfarnell.com/grh.aspx?mid=1000105&sku=53994... Newark
cable, sec, black, 6.75x12.7mm, 152.4m; reel length (imperial):500ft; reel length (metric):152.4m; wire size, awg:18awg; conductor area csa:0.891mm2; cores, no. of:3; outer insulation colour:black; material, outer insulation:pvc; ;rohs compliant: yes
http://www.newark.com/jsp/search/productdetail.jsp?SKU=59M58... 
(score:2)