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Quick Details

  • Place of Origin: Hong Kong
  • Brand Name: SURECOM
  • Model Number: SF-401plus
  • Display Type: Digital Only
  • Measuring Range: 100Mhz ~ 3000Mhz
  • Accuracy Class: 2.5ppm
  • Voltage: 5V
  • Operating Temperature: -45 ℃ ~ 65 ℃
  • Dimensions: 70 x 30 x 90mm
  • Brand: SURECOM HK
  • Frequency range: 100Mhz -3Ghz
  • Battery build-in: Li-ion 3.7V 600mah
  • impedance input: 50 Ohm
  • current consumption: 10ma
  • TCXO crystal Oscillator: +- 2.5ppm
  • Net Weight: 150g
  • Product Size: 70 x 30 x 90mm
  • Display resolution: 0000.000 or 0000.000
  • Type: Frequency Meter

Packaging & Delivery

Packaging Details: 1x SF401plus Frequency Meter
1 x Antenn asf-401
1x User Manual
1x USB charger cable
1x USB AC adapter 100-240V
Delivery Detail: 3~30 working days

SURECOM SF401plus Portable 100MHz ~ 3Ghz Frequency Meter



SF401plus Frequency Meter

New function: for analog and digital radio



  • 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 ~ ± 4ppm accuracy


Feature & Specification:


   Frequency range: 100Mhz---3000Mhz 

Auto tone Scan CTCSS ,DCS

   LCD Dim level setting

   Frequency digital 0000.000  or 0000.000

   Work by TCXO(Temperature Compensate X'tal (crystal) Oscillator) 2~2.5ppm

    Rresponse time: 0.2s.

    Color Display

    Build-in  Li-ion battery

    Net Weight: 150g 

    4 buttons control

    Auto power off  0-30mins (by setting )    

    for analog and digital radio


Frequency Range:  100Mhz -3Ghz  
Li-ion Battery build-in :  3.7V 600mah
current consumption10ma
TCXO crystal Oscillator+- 2.5ppm
impedance input: 50 Ohm
 Dimensions size :70 x 30 x 90

















Packaging & Shipping



Company Information



409 SHOP LTD is a manufacturing department of a professional enterprise providing two-way radio accessories. For years, we have been committed to developing products according to domestic and overseas markets' demands. Our full range of products include earphones, headsets, speakers, microphones, throat microphones, air acoustic w/mic, leather cases, batteries, chargers, programming cables, antennas and other fittings compatible with major brands of two-way radios.

We also provide customized solutions for customers depending on their requirements. Our products have been exported to Europe, America and Southeast Asia, enjoying high popularity.

We always persist in new and unique development and strictly follow the quality standard. Our materials are selected through selection process. As a leading department with innovative technology, we are proud of offering good quality products, low prices and better selections, as well as prompt and reliable services to our customers.



Contact US



Q: What's your company MOQ?

A: In generally, if use customer brand, we will ask at least 500pcs, this we can negotiate. 

Q: What's your delivery time?

A: This please ask our stock in first, products can send out once receive your deposit.

If use customer brands, we will take a 20-25days to prepare materials and mass production.

Q: Can your company accept customize?
A: Welcome OEM & ODM.
Q: How do you solve after sale service?

A: This please ask us for technical support if you have workers know how to repair.

If do not have engineers, please send back the items, we can repair the items for you. 

Q: Can you send a sample for us to develop?
A: Yes, we can. Sample can send out once you ask for it, but will ask a sample fee. Sample fee will return back in future order.
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