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SURECOM SW-33 markII 125-525 Mhz Mini Digital VHF/UHF Power & SWR Meter
1 VSWR. Forward  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    1.00:1~19.99:1
Frequency Range    COVER:125MHz~525MHz
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 -" FWD "mode , Led display show   sw33_powermode

Push red button -" REV "mode, Led display show   (For Version V1.3 only)
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   ,  1.5:1 mean the antenna is suit the frequency, 
When the the led  show 1.50  to 3.00 ​ ,  3.0:1mean the antenna is not good  suit the frequency, 
When the the led  show  up to 5.0 to 19.99​ ,5.0:1 mean the antenna is not  suit the frequency.


Package Contents 

1x English User Manual
1x USB charger cable 
1x USB AC adapter 100-240V 
1x SMA male to SMA male Adaptor
​1x SMA male to SMA female Adaptor
1x SMA female to BNC female Adaptor
1x SMA male to BNC male Adaptor
1x 5W DUMMY LOAD for testing / other type of 5W dummy load for testing (random)


specification subject to change without notice, the information in this document does not of any contract or quote


庫存單位: SW-33MARK2
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