Fiber
Transmitted by light
No RF signal
Slow degradation
Immune to interference
Multimode fiber
Short range up to 2km
Inexpensive light source like LED
Single mode
Long range up to 100km
Expensive light source
Narrower core
UPC
Ultra polished
0* angle
High return loss
APC
Angle polished
Slight angle
Lower light return
ST Connector
Straight tip bayonet
SC Connector
Standard/square/subscriber
Square shape
Plastic key
LC Connector
Lucent connector
Local connector
Little connector
MT-RJ
Mechanical transfer register jack
Media termination recommended jack
Same size as an rj45