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Surecom-SF-20-Frequency Counter-Fleetwood Digital

Surecom SF-20 20W RF Power Meter With Built In Frequency Counter & Field Strength Meter



  • $59.99 CAD
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Whenever I want another Surecom SF-20 20W RF Power Meter With Built In Frequency Counter & Field Strength Meter, but I know the XYL will question where it came from, I just make sure its the same colour as the last. I then say that's the same one from a year ago. Works every time :)


  • Digital display
  • No calibration required 
  • Maximum measurable power 20W
  • Measures in under a second
  • ​Industry standard radio / antenna connections  

Caution :

RF power over 20W may damage the 50 Ω dummy load.


POWER METER Specifications:
MAX. Power in 20 WATT
Built-in Dummy Load  50Ω  20W
RF Power in Range  100 - 525MHz 
input resistance   50Ω 
Display   0.0-21W
Frequency counter Range 20.000MHz ~ 999.99MHz
RF in:  Via BNC (Includes BNC-SMA)
Antenna In: Via SMA (Includes SMA-BNC)
Display 20.000 - 999.99
Features Specifications:
Temperature range -20℃~+60℃
Battery Built-in Li-ion Battery  
Size (without  BNC / SMA)  25x25x87 (mm)
Size (with BNC/SMA socket)  25x25x115 (mm)
Power  in  5V DC (Micro USB)
Weight 94g 


Simple Operating Instructions

Hold the red button for 2 seconds then release
Hold red button - Power on and "Frequency counter" mode
Push red button - RF Power Meter
Push red button - Field Strength mode
Push red button - Battery Level mode

1.1) How to use Frequency counter .
Two ways to use the frequency counter meter : 

A) Connect walkie-talkies with BNC

B) Receive radio signals from the top sma antenna

Hold red button --" Power on " and "Frequency counter "mode

Connect the antenna to sma .

20.000MHz to 999.999 MHz

1.2) How to use Power meter .
Hold red button -switch on
Push red button once to mode "POWER "
Connect the BNC to the radio output .

1.3) How to use Field Strength level .
Hold red button -switch on
Push red button twice to mode "receive"
Connect an antenna to sma.

1.4) How to check Battery level .
Hold red button -switch on
Push red button 3 times to mode "BAT "

Package Contents 

  • English User Manual
  • USB charger cable 
  • USB AC adapter 100-240V
  • SMA-BNC Adapter
  • BNC-SMA Adapter


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