SF 103 A SF103 Portable Frequency Counter 2MHz to 2.8GHz for Two Way Radio, Talkie Frequency Meter for DMR Analog, Two Way Radio Accessories PRACTICAL TOOL: The SF 103 Handheld Radio Frequency Counter is a more practical frequency meter, even including advanced features such as field strength measurements. Frequency counter for DMR and analog two way radio. EASY TO USE: Its four button controls are easy to use, and its small size allows you to take it anywhere you like. It operates with a TCXO (Temperature Compensated X'tal (crystal) Oscillator) and achieves an accuracy of ±2 to ±4 ppm over the range of ‑45°C to 65°C. FREQUENCY: There are a number of simple ranges for you to choose from. These ranges cover most of the frequencies you want to measure for two way radio. The frequency range, 2MHz‑2800MHz. includes very interesting frequency regions such as 2m HAM radio, all VHF and UHF. dmr radio signal e frequency counter. Spec: Item Type: Handheld Frequency Counter Material: ABS Frequency Range: 2MHz-2800MHz Applicable to: VHF UHF CTCSS DCS Decoder: Support DMR Frequency Counter: Support Digit Selection: Digit 0.000 or 0.0000 or 0.00000 Work By TCXO (Crystal): Support Auto Power Off: Auto Power Off 1-9 Minutes Frequency Response Time: 0.1,0.25,0.5,1.0S. Color Display: 240x320 Pixels, LCD Dimming Level Setting Buttons: 4 Buttons for All Function Control 2 Channel Selection: (A.27-2.8GHz, B.2MHz-200MHz) Battery: 1500mAh Lithium Battery (Included) How to Use: Use after charging. PackageList: 1 x SF 103 Frequency Counter 1 x Dual Frequency UHF VHF Antenna 1 x Belt Clip 2 x Screw 1 x Charging Cable 1 x Instruction Manual