GY561 Mini Handheld Frequency Counter Meter tester(1 * SMA Male to SMA Female Cable)Features:Designed for measuring the frequency and power of radio equipment, such as walkie talkie and car-mounted radio device.Built-in dummy load, the data is more reliable.Frequency measurement range: 1MHz-2400MHz. Power measurement range: 0.1W-50W.Built-in antenna, it can only measure frequency with non-contact way.Ideal tools for two-way radio signal testing and radio maintenance.Specifications:Style:01:Frequency Meter,02:Frequency Meter + 2 * Test Cable,03:Frequency Meter + 1 * SMA Female to SMA Female Test Cable,04:Frequency Meter + 1 * SMA Male to SMA Female Test Cable (optional)Frequency measurement: 1MHz-2400MHzPower measurement: 0.1W-50WSampling time: about 0.2sWorking temperature: 0-40 CCurrent consumption: about 100mAPower: 3 * 1.5V AAA battery (not included)Model: GY561DIY supplies: ElectricalPacking size: Approx. 12.1 * 8.1 * 4.1cm / 4.8 * 3.2 * 1.6inWeight: Approx. 152gPackage list:1 x Hand-held Frequency Counter (battery is not included)1 x Antenna1 x English ManualVarens type: Multimeter og analysatorer