trunk cable 412 specification: 1) center conductor: bear copper/cca diameter: 1/2.26 2) insulation: pe nom. thickness (mm): 0.03 insulation dia. (±0.03mm): 9.0 3) outer conductor: al tube nom. dia. (mm): 9.8 4) jacket: pvc/pe/losh cable dia. (±0.01mm): 12.0 5) steel messenger nom. dia.( ±0.01mm): 1.83/2.77 electrical characteristics: 1)capacitance(nf/km): 50 2)shielding effectiveness: ﹥100db 3)velocity ratio(±5%): 87 4)impedance(Ω): 75 5)return loss(100%swept): 1-470 mhz ≧22db 470-1000 mhz ≧20db mechanical characteristics 1）minimum bending radius(jacket) 6.0in 25cm 2）minimum breaking strength of messenger: 1800ibs 816kgf 3）dielectric adhesion: ﹥20n/5cm frequency (mhz) attenuation (db/100m) 55 2.10 250 4.80 300 5.35 400 6.24 500 7.06 600 7.75 750 8.10 865 9.32 1000 10.10 product origin: china brand name: nai productivity: 200,000km/year price terms: fob, cif, c&f payment terms: t/t, l/c at sight shipping date: generally within 15days certificates: iso9001, ul, rohs, ce packing: 1) packing lengths: 1000m/wooden spool with carton box other lengths available according to client's request; 2) inner packing: wooden reel 3) outer packing: without carton box