1.6MHz-30MHz 0.1W-11W QRP SWR Shortwave Standing Waves Meter Portable SWR Shortwave Power Meter USB Firmware Upgrade with Display Screen Battery

Features:
This shortwave standing wavemeter is designed base on G8GYW open source.
This power standing waves meter is designed for shortwaves radio.
Portable size and easy to carry, you can take it or store it easily.
Built-in large capacity lithium battery to provide a long service time and you can rechage it in time.
Applicable frequency ranges is 1.6MHz-30MHz and power measurement ranges is 0.1W-11W.
Support serial communication, serial calibration, USB firmware upgrade.
You can write the firmware and host computers by yourself, and expand the alarm output.
The power measurement and standing wave measurement keep one decimal place by default, and the communication data are two decimal places.