The Ultimate HF+6m Solution

Automatic Antenna Switch

The UltimaRF delivers professional-grade 1-to-4 antenna switching with WiFi, LAN, RS232 connectivity and a stunning 5" LCD touch panel. Built for serious HF operators.

  • 1 Radio to 4 Antenna Ports
  • 2.5kW+ SSB & CW Power Rating
  • 1.2kW Digi Mode (FT8/JT65)
  • WiFi and LAN Connectivity
  • Accurate Power & SWR Meter
  • Fully Auto Band Control Data
  • RS232 / BCD Connection
  • 5" LCD Touch Panel Display
Buy Now — $1,199 AUD Learn More
2.5kW PEP Rated
UltimaRF Antenna Switch System
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2.5kW PEPSSB, CW & 1.2kW Digi
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1-to-4 SwitchOr 4-in-1-out flexibility
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WiFi + LANFull IP connectivity
🖥
5" Touch PanelLive SWR & power readout
UltimaRF 5" LCD Touch Panel Display
Display & Monitoring

Powerful Monitoring

Monitor your station with an easy-to-read 5 inch LCD Touch Panel Display. Selected antenna, SWR, band of operation and power output — all at a glance.

2.5kWMax SSB/CW Power
1.2kWMax Digi Power
4Antenna Ports
5"Touch Display
Connections & Control

Ultimate Connectivity

Control your antenna system from another room — or the other side of the world. The UltimaRF follows your radio when you change bands and automatically switches to the assigned antenna.

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WiFi & LAN (IP)Full IP connectivity — control from anywhere on your network or via VPN.
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RS232 / BCD PortAutomatic band switching from Yaesu, Kenwood, Flex, Apache ANAN, ICOM.
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Windows PC SoftwareConnect via USB, LAN or WiFi. Control antenna ports, view power and SWR in real time.
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Remote OperationUse a VPN service to control your switch from across town or across the globe.
UltimaRF connectivity panel and PC software
Technical Specs

UltimaRF Specifications

Engineered for the serious HF operator. Every detail designed to handle the most demanding contest conditions.

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2.5kW PEP Power Rating

Confidently rated for 2500w PEP on SSB and CW. Tested at 1.2kW 100% duty cycle for digital modes.

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Band Control Data

Fully automatic BCD switching — the UltimaRF follows your radio and switches antennas automatically.

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5" LCD Touch Panel

Super-responsive 5 inch touch display showing power, SWR, band, and selected antenna at all times.

📶

IP Connect with WiFi

Full IP connectivity via LAN or WiFi. Also supports USB and RS232 for maximum compatibility.

Full Technical Specifications

Frequency RangeHF (1.8–54 MHz) + 6m
Power Rating (SSB)2,500W PEP
Power Rating (CW)2,500W PEP
Power Rating (Digi)1,200W (100% duty cycle)
Antenna Ports4 × SO-239 (1-in-4 or 4-in-1)
Display5" LCD Touch Panel
NetworkWiFi + LAN (IP)
Serial ControlRS232 / BCD Band Data
PC ConnectionUSB, LAN, WiFi
PC SoftwareWindows (downloadable)
Power Supply12V DC (min 2A — linear PSU recommended)
ChassisSteel construction with aluminium lid
ColourBlack
Radio CompatibilityYaesu, Kenwood, FlexRadio, Apache ANAN, ICOM
6m Accuracy NotePower/SWR on 6m ±10% (HF detection circuit)
Amplifier Safety

Protection System

The UltimaRF actively monitors your system and protects your amplifier automatically when a high VSWR condition is detected.

High VSWR Audible Alarm

A buzzer audibly alerts you the moment a high VSWR condition exists, so you can act immediately.

Automatic TX Ground Drop

The UltimaRF automatically drops the TX GND, breaking the RF link to your amplifier and preventing damage.

Real-Time SWR Monitoring

Continuous SWR monitoring across all bands displayed live on the 5" touch panel.

Auto TX Ground Drop
🔔 Audible VSWR Alarm
Live SWR & Power Display
Get Your UltimaRF Today

Experience the Power

⚡
Maximum Power Output2.5kW PEP — push every legal limit with confidence.
🌐
Operate RemotelyControl from across the house or across the world via VPN.
📶
Enjoy WiFi BenefitsWireless freedom — no USB cable clutter on your desk.
📊
Monitor SWR & PowerLive readings on the 5" touch panel like never before.
🔄
Automatic Band SwitchingYour antennas follow your radio — zero manual effort.
🔋
12V Power — Take It AnywhereField day, portable operation, DXpedition. Always ready.
In Stock — Ships Australia Wide
$ 1,199 AUD inc. GST

UltimaRF Control Box with 5" LCD Touch Panel, link cable and 4-IN-1 OUT / 1-IN-4 OUT 2.5kW PEP Antenna Switch Matrix.

Order Now View Full Specs
✓ Australian Owned & Operated
✓ Secure Checkout
✓ Warranty Included
Got Questions?

Frequently Asked Questions

We have gone to great pains to ensure your UltimaRF can handle power levels that would exceed most legal limits worldwide:

  • SSB (Uncompressed): 2,500W PEP
  • eSSB (Compressed Audio): 2,500W PEP
  • CW (Continuous Wave): 2,500W PEP
  • Digi Modes (FT8, JT65): 1,200W
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