Perfect frequency counter to measure frequency. With an antenna￡? it can directly measure frequency￡? convenient to use. <br> <br> <strong>Features:</strong> <br> This frequency counter can measure the frequency of continuous carrier signal(cordless phones) and digital signal(GSM￡? CDMA￡? wireless remote control)￡? also ideal for DCS and CTCSS testing. <br> Powered by a 9V battery￡? wide measurement range: 50MHz-2.4GHz. <br> One button to operate￡? long press the button to choose frequency step. <br> With an antenna￡? can directly measure frequency￡? convenient to use. <br> Optional frequency: 1k￡? 0.1k. <br> <br> <strong>Specifications:</strong> <br> Main Color: Green <br> Optional Frequency: 1k / 0.1k <br> Measurement Range: 50MHz-2.4GHz <br> Power Supply: 9V Battery <br> Item Size: 9 * 5.5 * 2cm / 3.5 * 2.1 * 0.8in <br> Item Weight: 97g / 3.4oz <br> Package Size: 10.5 *? 8 * 2.5cm / 4.1 * 3.1 * 1in <br> Package Weight: 107g / 3.8oz <br> <br> <strong>Package List:</strong> <br> 1 * Frequency Counter