The Agilent E7401A is an Electromagnetic Compatibility (EMC) analyzer with the following specifications:

- Frequency Range: 9kHz to 1.5GHz.
- Features: Capable of conducting radiated and conducted emission tests. When used with broadband antennas, it can detect radiated emissions from the device under test. By connecting to a Line Impedance Stabilization Network (LISN) device or an absorbing clamp on power or data lines, it can test for noise or interference on these lines. It can also be used with the 11940A or 11941A near-field probes to isolate and diagnose problem sources. Equipped with automatic EMI measurement functionality, compatible with BenchLink Web Remote software, built-in preamplifier, and designed with a rugged, portable form factor.