I want to check my VHF antenna's SWR before transmitting — does this meter show both power and SWR together?

Yes, the SW-102 displays forward power, reflected power, and SWR readings simultaneously on its digital display across the 125-525 MHz VHF/UHF range, giving a complete antenna system evaluation at a glance.

This meter has SO239 connectors — will it connect to my PL-259 coax and antenna without an adapter?

Yes, SO239 connectors accept standard PL-259 coaxial connectors directly. This makes the SW-102 compatible with most VHF/UHF antenna systems that use PL-259/SO239 connections without any additional adapters needed.

What is the maximum power level this meter can handle? I have a 50W mobile VHF radio.

Always check the product's specified maximum power rating before connecting a 50W radio. Exceeding the meter's rated maximum input power can permanently damage the instrument. The power range is listed in the product specifications.

Can I use this meter with handheld radios, or is it only suitable for mobile or base station equipment?

The SW-102 works with handheld radios, mobile transceivers, and base station equipment within the 125-525 MHz range, provided the radio output does not exceed the meter's rated maximum power input.

Does the SW-102 display SWR in real time while transmitting, or do I need to read it after transmission?

The SW-102 displays SWR and power readings in real time during transmission. The digital display updates continuously while RF power is present, allowing you to monitor antenna match dynamically without waiting for transmission to end.

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Surecom Gam3Gear SW-102S SO239 Connector Digital VHF UHF 125-525Mhz Power & SWR Meter

Product ID: 35447198

Details

Brand
Surecom
Color
Black
Special Feature
Uhf
Frequency Range
125 - 525MHz
Tuner Technology
UHF VHF
Voltage
5 Volts

⚡Measures up to 120W power

📶125-525 MHz VHF/UHF range

🔍Direct digital SWR & power readout

¥19043

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Description

📡 Stay tuned, stay sharp — master your signal with Surecom precision!

COMPACT PORTABLE - Lightweight 10.9 oz with SO239 connector—fits seamlessly into your mobile or base station setup.
POWER RANGE THAT WORKS - Accurately measures from 0.5W up to 120W, ideal for medium to high power handheld radios.
INSTANT DIGITAL READOUT - No calibration needed—get real-time, accurate VSWR and power readings at a glance.
LOW INSERTION LOSS DESIGN - Under 0.3 dB loss means you can leave it connected permanently without signal degradation.
PRECISION FREQUENCY COVERAGE - Optimized for VHF (144-148 MHz) & UHF (430-450 MHz) bands—perfect for serious radio pros.

The Surecom Gam3Gear SW-102S is a compact, digital SWR and power meter designed for VHF and UHF amateur radio bands (125-525 MHz). It delivers instant, calibration-free readings of forward and reflected power with minimal signal loss (≤0.3 dB). Supporting power measurements from 0.5W to 120W, it’s ideal for handheld and base radios using SO239 connectors. Note: incompatible with CB radios and certain digital modes.

Specifications

ASIN	B01M7QPXEY
Batteries	1 Lithium Ion batteries required. (included)
Best Sellers Rank	#271 in Portable FRS Two-Way Radios
Customer Reviews	4.6 4.6 out of 5 stars (1,011)
Date First Available	October 18, 2016
Item Weight	10.9 ounces
Item model number	SW-102
Manufacturer	Surecom
Product Dimensions	2.6 x 1.46 x 2.68 inches

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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¥19043

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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