The SAS-563P from A.H. Systems is an Electrostatically Shielded Passive Loop Antenna that operates from 1 kHz to 30 MHz. This antenna is shielded against electric components by enclosing the conducting loop within an all-metal shield. This balanced Faraday metal shield ensures that it is producing or measuring just the magnetic component of the radiated energy. The antenna measures 12 inches (30.5 cm) in diameter with Type-N Female connectors and is ideal for testing shielding effectiveness.