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Surecom SF-401 Plus Hand Held Frequency Counter

  • $39.99

Surecom Handheld Frequency Counter.


  • 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 by  TCXO(Temperature Compensate X'tal (crystal) Oscillator) ,In the range of -45  ~ 65  can reach ± 2 ~ ± 4 ppm accuracy.
  • This include very interesting frequency areas such as 2 m HAM radio, all VHF and UHF.
  • DMR Radio signal e frequency counter.
  • Easy Battery level.

Package Includes:

  •  Frequency counter.
  • Charger.
  • Micro USB cable.
  • Antenna.
  • Included an extra 5-003BNC-UV 19 cm Antenna SMA-Male 144/430 Mhz Antenna.


To count frequency:
1) Switch the ATT button to left hand side.
2) Change the antenna into VHF or Dual Band accordingly.


- Frequency range: 100 Mhz-3000 Mhz
! Note: (27 MHz to 100 MHz It can not be guaranteed and the corresponding normal emission appliance)
- CTCSS/DCS Decoder - (Cannot read CTCCSS at 900Mhz)
- LCD Dim level setting
- Frequency digital 0.000  or 0.0000  ( +-0.001)
- Work by TCXO( Temperature Compensate X'tal (crystal) Oscillator) 2 2.5 ppm
- Frequency Response time:  0.2-0.5 sec.( CTCSS/CDCSS >0.5-1 sec)
- TFT Color Display 240 x 320
- Build-in  Li-ion battery
- Net Weight: 113 g
- 4 buttons control
- Auto power off  1-9 minutes  
- Charging battery LED indicator 
- Charging battery LED indicator 



Brand Name: SURECOM HK SF-401 SF-401-PLUS

Signal  attenuation s.w.

-10 db  No YES
Battery Built-in level Voltage Easy icon
Flash Light LED YES NO
TFT LCD: 320 x 240 pixels YES YES
Frequency Range: 27 Mhz -3 Ghz  YES YES
Li-ion Battery built-in : 3.7 V 600 mah YES YES
current consumption: 10 ma YES YES
TCXO crystal Oscillator +- 2.5 ppm YES YES
Changer in: Micro usb +5 V YES YES

impedance input:

50 Ohm (BNC) YES YES


113 g YES YES

Dimensions size :

70 x 25 x 90 mm YES YES


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