Ideal for assessing walkie-talkies, this tester is perfect for DCS and CTCSS evaluations, offering a broad measurement range from 50MHz to 2.4GHz. Whether you're a hobbyist or a professional, this product is designed to meet your frequency testing needs. Effortless and Accurate Readings Operated by a 9V battery, this frequency tester features a simple one-button for convenience. By long-pressing the button, you can easily select the frequency step. With an included antenna, you can directly measure the frequency, making it easy to use and ensuring precise results every time. Flexible Frequency Options With two frequency choices of 1K and 0.1K, this frequency tester provides versatility in testing various devices. Whether you need a high or low frequency range, this product allows for customization to best suit your testing requirements.