Description
MFJ-1704: Mount one of these MFJ 1704 Antenna Switches and you will have more than the convenience of instantly selecting any of four antennas or center ground positions. They come complete with replaceable lightning surge protection that helps to protect against distant lightning-induced surges and static.
When these antenna switches are in the center position, all connectors are disconnected and grounded. If the switch is turned to an active connector, the other connectors are automatically grounded. The active connector is automatically protected by the replaceable lightning / surge protector.
The MFJ-1704 4 positions antenna selector uses a cast metal construction and ball bearings for smooth switching
Specifications:
Frequency: DC-500 MHz
Power rated: 2.5 kW PEP
Connector: UHF female, SO-239
Antenna switch positions: 4-port
Extremely low SWR
Isolation: greater than 60 dB at 30 MHz, greater than 50 dB at 500 MHz
Negligible insertion loss
Impedance: 50 Ohms
