Surecom SF401 Plus Frequency Tester 100Mhz-3000Mhz Decoder Rubber Antenna Meter

Description

Introduction:
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
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 by  TCXO(Temperature Compensate X'tal (crystal) Oscillator) ,In the range of -45 ℃ ~ 65 ℃ can reach ± 2 ~ ± 4ppm accuracy
This include very interesting frequency areas such as 2m HAM radio, all VHF and UHF
DMR Radio signal e frequency counter
Feature & Specification:
Frequency range: 100Mhz-3000Mhz
!Note: (27MHz to 100MHz It can not be guaranteed and the corresponding normal emission appliance)
CTCSS/DCS Decoder
LCD Dim level setting
Frequency digital 0.000  or 0.0000  ( +-0.001)
Work by TCXO( Temperature Compensate X'tal (crystal) Oscillator) 2～2.5ppm
Frequency Response time:  0.2-0.5sec.( CTCSS/CDCSS >0.5-1sec)
TFT Color Display 240 x 320
Build-in  Li-ion battery
Net Weight: 113g
4 buttons control
Auto power off  1-9minutes
Charging battery LED indicator
Power On/Off
Power On –Press and Hold down the [black key] by 2 second
Power Off –Press and Hold down the [black key] by 4 second of number count down to 0
Charging the battery
Plug the Power cord into adaptor , Micro USB connected SF-401, The Led indicating:
*The RED Led is light - Charging
*The Green Led is light - Full
The transmitter near the frequency counter antenna , see the signal reception conditions is zone green, you can test.
cautions:
e.g. display 1800.000Mhz  , The transmitter distance is too close to the frequency counter will affect the test results, , the signal bar is red .(see Pic.1)
e.g. display 0.000, , The transmitter distance is too far to the frequency counter and signal is weak ,will affect the test results,  the signal bar is low .(see Pic.1)
How to check Frequency of Digital DMR Radio
Press[ F3 Digital] from Measuring screen
Note. Digital model have 3 Decimal only
Package Contents
1x SF401 PLUS  Frequency Counter
1 x UHF Antenna
1x English User Manual
1x USB charger cable
1x USB AC adapter 100-240V