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USD 61.20
Item Code: SW102-N+S053x2
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SW-102-UV Digital VHF/UHF Power & SWR Meter & Frequency counter 

V.S.W.R. meter Introduction

VSWR. Forward and reflected power direct digital readout, without any calibration.
Maximum measurable power range up to 120W.
low insertion loss (0.3 decibels or less) structure allows it to be permanently connected.
Build in Frequency counter .
All Funtion display ( Frequency,Power , SWR,FW,RW,Battery Level)

Feature & Specification
Frequency range: 125 - 525MHz
Measurable power range: 1 - 120W(+-0.5%)
Input  Frequency counter (min 0.5 W input)
Maximum power: 120W
Impedance: 50Ω
Size: W 76 X H 77 X D35 mm.
Weight: < 220 grams
Battery : 3.7V Li-ion Rechargeable Battery

* Not for the digital radio.

Interface: N-J Interface

MAX. Power in 120 W        (Measurable power,Radio must be ANALOG)
V.S.W.R 1.00~19.9
Frequency Ranger COVER : 125MHz~525MHz
Insertion Loss < 0.15dB(VHF) , < 0.25dB(UHF)
Temperature 0℃~60℃
Frequency counter Yes (  TX input  must be minimum 0.5W + - 0.5%)
Battery Voltage Display Yes
Battery Build-in 600MAH Li-ion Battery
Auto Power Off 1-9 mins
Size 66*68*37 (mm)
Charger in  5V (micro usb)
Backlight AUTO OFF      1-9 mins
Interface (in and out ) N(SL16)
Weight 220g (include battery)



Power ON/OFF:

Press 2 second the [Red button] to power on or power off

MENU Dispaly  (Note: Version for up to V3.8)

No. Mode Adj 
Default Setting
1 Adjustment Forward  -99  to  +99 0 Fine Tune Level %
2 Adjustment Reverse  -99  to  +99 0 Fine Tune Level %
3 Adjustment Time Base  -99  to  +99 0 Frequency Counter ,OSC Time Base
4 LCD DIM (Back Light  Time) 0-9 1 "0" is always on,  1 min  to  9 mins
5 POWER OFF 0-9 3 "0" is always on,  1 min  to  9 mins

* Supplier, the product will add functionality without having to give notice

Set & Save​:

1. Press MENU [Blue button]

2. Press F1 [Red button)(Select 1-5 Funtion)

3. Press [Blue button] ( - ), [Yellow button] (+)

4. Press the  [Red button ]for 2 seconds

5. Press the  [Blue button] to SAVE and EXIT

How to check the S.W.R. of your Antenna :
 Connect to "TX" on Radio output  and Antenna  to "ANT".  Proper adaptor/cable is required if your device has different type of connectors.

Measurement V.S.W.R. : (see Pic.1)

SW-102 TX connect Radio RF out  
SW-102 ANT connect Antenna device
Radio TX , SW-102 with display S.W.R. measure data.

How to check the Output Power Watt of your transceiver :
 Connect to "TX" on Radio output and dummy Load to "ANT".  Proper adaptor/cable is required if your device has different type of connectors.
Measurement Power: (see Pic.2)
SW-102 TX connect Radio RF out  
SW-102 ANT connect 50 ohm Dummy Load
Radio TX , SW-102 display is Power  measure data.


Package Contents
1x SURECOM  SW-102-UV Power & SWR Meter  (N - connector)  
1x Power PSU 100-240V 
1x Charger Cable 
2x N to SO239 adaptor
1x English Users Manual


 The first from  , 
V3.3,V3.8,V4.3, V4.5,V5.1 ,V2.02,V2.03 new 
V2.02 , V2.03 is new version , the watt refenece is best than  V3.3,V3.8,V4.3, V4.5,V5.1 .

**All Specifications are subject to change without notice



ADAPTOR N to SO239  

N to SO239 connect adaptor 
N to SMA connect adaptor
N to BNC connect adaptor


Note: Damage your radio when Connect without Antenna and  Dummy.  

SW-102 funtion


    Q & A
  Q           Watt Data Without Hold ?
  A   Some Radio problem when end of TX 
  Q   Watt Level is not accurate ?
  A   Power dummy load to measure (must be 50 OHM)
  A   SW-102 Frequency counter must be same of Radio 
  A   TX Input min 1W 
  Q   Display have problem ?
  A   Switch Off by Reset
  Q   No Operation?
  A   Chager by PSU
  A   Replacement battery when battery dead
  All Reset :  1)Off mode ,
                    2)Hold the Red button when restore to default  


Free Upgrade Version 3.8

 Customers who bought the old version (Below V3.7) SURECOM SW102-VU Meter can get a FREE UPGRADE now!!!

 Customers only need to:

  1. Send back Parts of the SW102-VU (like Pic 1) to us . (whitout battery  and cover)
  2. Afford the Send back to Hong Kong shipping cost
  3. Include Return shipping address in package

 After we received your send back SW102-VU, will help you upgrading into V3.8 and then send back to you without any cost.

Don’t miss the chance!!!

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