Byte Brothers RWC1000K Real World Certifier Kit
This is the perfect tester for UTP Cables and LAN devices. Test; speed parameters, cable propagation delay, cable skew, cable typing (Cat 3, 5, 5E, 6), attenuation, cable verification, high accuracy TOR, LAN device tester (advertised and negotiated). RWC also performs basic testing for coax cables. Comes with Tone Generator/Probe.