Bonito releases the AntennaJet ASM300 Antenna Switch and Mixer


Dennis Walter, President of the Germany-based radio manufacturer Bonito, has just informed me that their AntennaJet ASM300 has now been officially released. Bonito’s website describes the ASM300:

With the AntennaJet ASM 300, we add another component to our supplies of receiving equipment. It is USB-controlled and you can connect up to three different receiving antennas from 9 kHz – 300 MHz loss-free to one output socket.

Additionally, you can combine all three input channels according to your needs. They are then connected in phase to the output socket. Thus you can always find the best combination of antennas when receiving conditions are bad.

The HF-inputs are BNC and are protected against short and pulse-shaped voltage surges with complex ESD protection circuits. Because the voltage supply is integrated via USB, you do not need an additional power supply, which make the ASM300 ideal for portable operation.

At a price of 249 EUR, this would not be an inexpensive addition to your radio shack, but I can imagine many SWLs and hams who could appreciate a high quality antenna switcher. I’m very intrigued by the ability to mix phased input channels. With antennas positioned properly, it might afford you some ability to null on HF.

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