Description SURECOM SF401 Plus Portable Frequency Counter 27Mhz 3000Mhz Radio Frequency Counter Meter Features The frequency meter capable of measuring the parameters of the frequency of the continuous carrier signal walkie talkies with signal strength indicator It is the tool of choice for maintenance personnel test frequency and signal strength of wireless enthusiasts This portable frequency counter is designed for counting continuous wave signal comes from Two way Radio There are easy ranges for you to choose The ranges cover most of the frequency of the two way radios you want to measure Its four button control is easy to use and its small size allows you to carry it anywhere you like Work byTCXO Temperature Compensate Xtal crystal Oscillator In the range of 45℃ 65℃ can reach2 4ppm accuracy This include very interesting frequency areas such as 2m HAM radio all VHF and UHF DMR Radio signal e frequency counter Easy Battery level Specification Frequency range 27Mhz 3000MhzFrequency digital 0 000 0 0000 0 001 Frequency Rresponse time 0 2 0 5sec CTCSS CDCSS 0 5 1sec Color Display 240 x 320Net Weight 113gBuild in Li ion battery CTCSS DCS Decoder LCD Dim level setting 4 buttons control Auto power off1 9minutes Charging battery LED indicator Brand Name SURECOMSF 401 PLUSDIGITAL RADIO signal DMRYESSignalattenuation s w 10dbYES Battery Buily inLevelEasy icon Flash Light LED NO TFT LCD 320 x 240 pixels YES Frequency Range 27