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 machine with Shell (No battery). No need to assemble, can use it directly. Automatically tuned, developed by N7DDC. Compatible 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. Really UHF connector. [Remarkably Compact] The shell is designed by an excellent designer, compact and exquisite. 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 machine 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