cat5e utp lan cable 305m/box: 
Reference standard:  ISO9001: 2000, CE
Bare solid copper conductor
ROHS complied PVC, PE or LSOH jacket
Complies to ROHS

Cable Construction:
Conductor Dimension: 0.50mm 0.51mm  0.48mm 0.45mm 0.4mm
Core Dimension: 0.91mm, 0.92mm, 0.95mm
No. Of Pairs: 4
Nom. OD: 5.2*11mm 5.3*11.2mm
Type of Jacket: PVC
Remark: 100MHz 350MHz

Specifications:
1) Frequency: 155MHz
2) Comply with the UL requirements
3) Transmission velocity: 200Mbps

Electrical Characteristics:
Frequency(MHz): 1 10 62.5 100 155 200 350
Attenuation(dB/100m): 2.0 6.5 17.0 22.0 28.1 32.4 44.9
Impedance(ohm): 100 100 100 100 100 100 100
Return Loss(dB): 20 25 22 20 19 19 17
NEXT(dB/100m): 65.3 53.3 38.4 35.3 33.3 31.0 27.0
ELFEXT: (dB/100m): 63.8 43.8 27.8 23.8 20.0 18.0 13.0
PS NEXT(dB/100m): 62.3 47.3 35.4 32.3 29.0 28.0 24.0
PS ELFEXT: (dB/100m): 60.8 40.8 24.8 20.8 17 15.0 10.0
Propagation Speed(m/s): 0.65c