The Aceco frequency counter is a device used to measure the frequency of radio signals. It is compact and portable, making it convenient for field use. The counter has a wide frequency range, allowing it to measure signals from various sources. It features a clear LCD display that shows the frequency in megahertz or kilohertz, depending on the selected mode. The Aceco frequency counter also has a built-in speaker for audio monitoring of signals. It is powered by a rechargeable battery, ensuring long-lasting operation. Overall, the Aceco frequency counter is a reliable and efficient tool for frequency measurement in a variety of applications.