1000 Mb/s or Gigabit Ethernet has the following characteristics:
Data rate: 1000 Mb/s
Signaling: 125 MHz, Differential, PAM-5 (Pulse Amplitude Modulation)
Return Loss: 19.0dB @1 - 100 MHz (~100m)
Cabling: CAT-5 twisted pair, 100 Ohm
Encoding: 8b10b (8 bits of data for 10 bits transferred)
Wires used: 4 pair (each Full Duplex)
Specification: IEEE 802.3ab
Bit error rate: 1 error in 10e10 bits
