The MFJ-1701 Antenna Selector is a rugged 6-position coaxial antenna switch designed for amateur radio operators who need quick and convenient switching between multiple antennas or radios without disconnecting coax cables. Ideal for HF operation, the MFJ-1701 supports frequencies from 1.8 to 30 MHz and handles up to 2,000 watts PEP / 1,000 watts CW, making it suitable for both home and contest stations.
Key Features
Select between 6 antennas and 1 radio, or 6 radios and 1 antenna
Operates with 50–75 ohm systems
Heavy-duty rotary switch design for reliable operation
SO-239 coax connectors for easy installation
All unused ports are automatically grounded for improved static, RF, and lightning protection
Compact black aluminum enclosure for desktop or wall mounting
Typical Applications
The MFJ-1701 is commonly used in:
Amateur radio HF stations
Multi-antenna setups
Contest stations
Antenna testing environments
Switching between transceivers or receivers
Specifications
Frequency Range: DC to 30 MHz
Power Handling: 2 kW PEP / 1 kW CW
Connector Type: SO-239
Insertion Loss: Less than 0.20 dB
Port Isolation: Greater than 60 dB
Dimensions: Approximately 10 x 3 x 1.5 inches
The MFJ-1701 provides an economical and dependable solution for managing multiple HF antennas while protecting unused lines through automatic grounding.