What type of conductors does this Ethernet cable use?

The Ethernet cable uses 24 AWG solid bare copper conductors.

What is the maximum frequency that this CAT5E cable supports?

This CAT5E cable is suitable for 350MHz high-speed data applications.

double click image to zoom in

Nippon Labs CAT5E Outdoor Bulk Ethernet Cable, Direct Burial Solid Copper, CMX, 24 AWG, UTP, PE Outdoor Jacket, UV Res, 1000' Pull Box - Black

High-Performance Data Communications Cable
CAT5E Outdoor Direct Burial, Outside Plant
Suitable for 350MHz High-Speed Data Applications, Gigabit Ethernet, Fast Ethernet and 155Mbps TP-PMD/CDDI
Designed for Outdoor Direct Burial Installations (CMX)
Category-5E Unshielded Twisted Pair (UTP) Cable
4-Pair Easily Identified Color Striped Pairs
24 AWG Solid Bare Copper Conductors
Excellent Attenuation and Crosstalk Characteristics
Exceeds TIA 568C.2, ISO/IEC 11801, And YD/T1019 Specifications
RoHS Compliant
Sequential Length Markings On Jacket
Supplied On A 1000' Wooden Spool