Will this work with a kenwood ts-480sat?

I found this to be junk that did nothing. Save your money.

So239 connectors are shown. Please verify?

This video is the size of the connector.

How do you use the Booster Board please?

I believe the intent of the booster board is to power the unit using a USB device. This unit requires very little power to operate, so instead of powering it via a 12V supply (battery), one option is to bring a USB battery bank or similar power device and, using this cable/board, power the unit. That's my guess.

What is the swr matching range and the impedance matching range?

For my use and what you want to connect to this device impedance wise, 50 ohms from the transmitter and the antenna is optimal. But the purpose of this unit is not only to display the SWR but to improve a mismatch of impedance between the transmitter and the antenna. On frequencies where I have a mismatch between my transmitter and antenna, this device does a good job matching the impedance where my SWR is usually below 2.5.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Malahit ATU-100 EXT Antenna Tuner 1.8-50MHz atu100 by N7DDC 7x7 0.96 Inch OLED 3.2 Firmware Programmed with Housing Assembled Machine with USB Cable（No Battery） Compatible with Radio Antenna

Product ID: 359745843

Details

Antenna
Radio
Brand
Malahit
Color
Black
Impedance
50 ohm
Manufacturer
Malahit
Maximum Range
1000 meters

📡1.8-50MHz wide tuning range

🔋USB-powered 5V to 12V booster

🖥️0.96-inch OLED display

¥28918

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

📡 Tune in like a pro—never miss a signal wave!

SEAMLESS AUTO TUNING - Effortlessly optimize your antenna with the latest 3.2 firmware—bug fixes included for flawless performance.
POWER BOOST ON DEMAND - USB booster board steps up 5V to 12V, enabling portable power bank use for field ops or remote setups.
PLUG PLAY CONVENIENCE - No assembly or batteries needed—just connect and tune automatically for instant radio clarity.
PRECISION COMPATIBILITY - Engineered for 50-ohm impedance radios, ensuring maximum signal efficiency across 1.8-50MHz bands.
COMPACT ALUMINUM ALLOY SHELL - Sleek, durable design that fits perfectly in any setup without the bulk—professional-grade build quality.

The Malahit ATU-100 EXT is a compact, automatic antenna tuner covering 1.8-50MHz with a crisp 0.96-inch OLED display. Featuring the latest 3.2 firmware by N7DDC, it offers plug-and-play operation in a rugged aluminum alloy shell. Powered via USB with a built-in 5V to 12V booster, it’s designed for seamless compatibility with 50-ohm radio antennas, delivering precise tuning without the hassle of batteries or assembly.

Specifications

ASIN	B099ZLVV3V
AntennaDescription	Radio
Best Sellers Rank	#37,590 in Electronics ( See Top 100 in Electronics ) #2,771 in Portable Audio & Video #65,171 in Electronics Accessories & Supplies
Brand	Malahit
Color	Black
Customer Reviews	4.4 4.4 out of 5 stars (304)
Impedance	50 ohm
Item Dimensions L x W x H	5.5"L x 3.46"W x 1.5"H
Manufacturer	Malahit
Maximum Range	1000 meters
Number of Channels	1
Number of Items	1
Number of Packs	1
Unit Count	1 Count

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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