• Com-Power AM741 Features:
• Frequency Range: 9 kHz - 30 MHz
• Output Impedance: 50 Ohm
• Connector Type: BNC (f) input and Output
• Collapsible Element Length: 41 inches (fully extended)
• Base Plate (counterpoise): 24 x 24 inches
• Battery Type: 6 V NimH
• Charger input: 6 VDC, 500 mA.
• Weight: 15 lb.

The Com-Power Am-741 Active Monopole antenna was designed to measure electric field strength in the frequency range from 9 kHz to 30 MHz.

The am-741 is generally used in a shielded room or in a screen room, with the equipment under test (EUT) placed on a metal ground plane. This antenna is for emissions measurements only, and cannot be used for transmitting.