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 CableNo Battery Compatible with Radio Antenna

[ATU-100
Version]: Latest
program: 3.2 version has been programmed. Compared with version 3.1, some bugs have been fixed.
[Product Features]: Automatic Antenna Tuner unit with Shell (No battery). No assembly needed, ready to use directly. Automatically tuned, developed by N7DDC. Works with radio antenna.
[High-quality Accessories]: High-quality SMD capacitors, C-channel capacitors, high-quality 1000V high-voltage SMD capacitors, and the PIC chip imported. Genuine UHF connector.
[Remarkably Compact]: The shell is designed by an excellent designer, compact and neat. The entire shell (including the front and back panels) is made of aluminum alloy, not PCB board.
[What You Get]: ATU-100 Automatic Antenna Tuner unit with Shell (No battery), 1* DC 5.5 x 2.1 power cord, 1* USB Booster board.
[The booster board]: (5V boosted to 12V) is connected to the USB cable, and the 5.5 connector power cable is soldered to the booster board. If you use it powered by a portable power bank (not required under normal circumstances).
[Note]: Do not try to be lower than 5W. Insufficient tuning may occur within 5W