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SURECOM SW-33 Mark II 100-520 Mhz Mini Digital VHF/UHF Power & SWR METER

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Original price $39.99
Current price $34.99

1 VSWR. Forward and reflected power direct digital readout, without any calibration. 
2. Maximum measurable power range up to 100W. 
3. 3 seconds check your antenna SWR , also check your radio RF power watt.
​4.Easy to install handheld Radio 

Measurable power range: 0.1-100W 
Maximum power: 100W Accuracy: mean + / - 5% 
Not for the DMR digital radio.

MAX. Power in 100 WATT
V.S.W.R 1.00~19.99
Frequency Range COVER:100MHz~520MHz
Insertion Loss < 0.15dB(VHF) , < 0.25dB(UHF)
Temperature 0℃~70℃
Battery Build -in Li-ion Battery  
Size(WHIT OUT SMA 25*25*60 (mm)
Power  in  5V (micro usb)
Interface (in and out ) SMA female
Impedance:  50Ω    
Weight 160g 

Features function 
Push red button and hol 3" Power on " and "SWR "mode " Led display show sw33_swrmode
Push red button -" Power Meter "mode , Led display show   sw33_powermode
Push red button -" SWR "mode ,Led display show sw33_swrmode
Push red button and HOLD  -" POWER OFF

1.1How to use Power meter .
Push red button -switch on
Push red button  at once to mode "POWER meter "  ,Led display show  
Connect the SMA (mark TX)  to Radio output .
Connect the SMA to DUMMUY Load 

Caution : Please use correct dummy load , High power will damage the dummy load.

1.2How to use SWR meter .
Push red button -" Power on " and "SWR "modeDisplay show sw33_swrmode
Connect the SMA (mark TX) to Radio output .
Connect the SMA to ANTENNA 

When the the led  show 1.00 to 1.50   , mean the antenna is suit the frequency, 
When the the led  show 1.50  to 3.00 ​ , mean the antenna is not good  suit the frequency, 
When the 
the led  show  up to 5.0 to 19.99​ , mean the antenna is not  suit the frequency.


Package Contents 


1x English User Manual
1x USB charger cable 
1x USB AC adapter 100-240V