MFJ Antenna Selector Model MFJ-1701

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.