This is a subset of technical specifications for the N5230A Options 140, 145, 146, 240, 245, and 246 network analyzers. Option 140, 300 kHz to 13.5 GHz, 4-port with standard test set and standard power range. Option 145, 300 kHz to 13.5 GHz, 4-port with configurable test set and extended power range.