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Gam3Gear SURECOM SW-33 Mark II 100 W 125-525 Mhz Mini Digital VHF UHF Two-Way Radio Handheld Power & SWR Meter

4.5 4.5 out of 5 stars 972 ratings

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Purchase options and add-ons

  • SURECOM SW-33 Mark II 125-525 Mhz Mini Digital VHF/UHF Power & SWR Meter
  • VSWR. Forward power direct digital readout, without any calibration.
  • Maximum measurable power range up to 100W
  • 3 seconds check your antenna SWR, also check your radio RF power watt.
  • Easy to install handheld Radio
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Product Description

How to use Surecom SW-33

Features: 1.-VSWR. Forward power direct digital readout, without any calibration. 2.-Max. measurable power range up to 100W. - 3 seconds check your antenna SWR, also check your radio RF power watt. 3.-Easy to install handheld Radio.

Specifications:1.- Measurable power range: 0.1-100W 2.- Max. power: 100W Accuracy: mean + / - 5% 3.* Not for the DMR digital radio. 4.- MAX. Power in: 100W 5.- V.S.W.R: 1.00~19.99 6.- Frequency Range: COVER - 125MHz~525MHz 7.- Insertion Loss: < 0.15dB(VHF) , < 0.25dB(UHF) 8.- Temperature: 0℃~70℃ 9.- Battery Built-in: Li-ion Battery 10.- Size:(WHIT OUT SMA): 25*25*60 (mm) 11.- Power in: 5V (micro usb) 12.- Interface (in and out ): SMA female 13.- Impedance: 50Ω 14.- Weight: 160g

Features function: 1.Push red button and hold 3 sec.to" Power on " and "SWR "mode " 2.Push red button -" Power Meter "mode 3.Push red button -" SWR "mode 4.Push red button and HOLD -" POWER OFF

How to use Power meter: 1.Push red button -switch on 2.Push red button at once to mode "POWER meter " 3.Connect the SMA (mark TX) to Radio output . 4.Connect the SMA to DUMMUY Load

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

How to use SWR meter: 1.Push red button -" Power on " and "SWR "mode 2.Connect the SMA (mark TX) to Radio output . 3.Connect the SMA to ANTENNA 4.When the the led show 1.00 to 1.50 , mean the antenna is suit the frequency 5.When the the led show 1.50 to 3.00 ​ , mean the antenna is not good suit the frequency 6.When the the led show up to 5.0 to 19.99​ , mean the antenna is not suit the frequency.

Package includes: 1 x Surecom SW-33 Mark II ; 1 x SMA Dummy Loads ; 1 x English Manual ; 1 x USB Charge Cable

Product information

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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Gam3Gear

Gam3Gear SURECOM SW-33 Mark II 100 W 125-525 Mhz Mini Digital VHF UHF Two-Way Radio Handheld Power & SWR Meter


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Customer reviews

4.5 out of 5 stars
4.5 out of 5
972 global ratings

Customers say

Customers like the readability, size, ease of use, quality and performance of the meter. For example, they mention it's handy for a quick assessment, works well and is pocket sized. Customers are also happy with the connector, value, and accuracy.

AI-generated from the text of customer reviews

66 customers mention57 positive9 negative

Customers like the performance of the meter. They say it works well, is easy to use, and is perfect for making a quick and easy SWR and power check on an antenna. Some customers also mention that it's a very useful product and highly recommended.

"Works as advertised, I'm sure for the price , swr meter gets you a ballpark number." Read more

"Unit gets the job done. Claims capable of 100 watts, but dummy load is only good for 5 watts...." Read more

"...Worked beautifully. The LED display is a bit dim for noon sun but it was still useable...." Read more

"Pretty good and handy tool. It would be better if they came with adapters for mobile radios." Read more

51 customers mention38 positive13 negative

Customers like the accuracy of the meter. They say it's easy to use and provides accurate readings. Some customers also mention that it'll provide accurate reading for handheld radios. Overall, customers are satisfied with the accuracy and portability of the product.

"...It's a must-have tool for every radio operator, providing accurate readings and peace of mind knowing that your equipment is performing at its peak." Read more

"...two days later, and got the exact same SWR readings so the repeatably is spot on...." Read more

"...Price point, built in rechargeable battery, supplied adapters (SMA), accuracy, perfect for checking your mobile installation...." Read more

"...At first, I was fairly upset because it seemed very inaccurate and inconsistent, however, after posting my review, surecom reached out to me to..." Read more

47 customers mention47 positive0 negative

Customers find the SWR and power meter easy to use. They say it's simple to set up and use on HTs. Customers also mention that the battery-powered device is easy and intuitive to use, with a simple one-button operation.

"...The SW-33 Mark II is incredibly easy to use, with its digital display providing clear and accurate readings for both power and SWR...." Read more

"Easy to use" Read more

"This meter is very easy to use. The form factor makes it convenient to handle and read...." Read more

"Im editing my review.it's easy enough to use and came with some nice useful adapters...." Read more

37 customers mention37 positive0 negative

Customers appreciate the value of the SWR and power meter. They say it's well worth the price, inexpensive, and works as advertised. Customers also mention that it'll make a great gift.

"...Pros: Price point, built in rechargeable battery, supplied adapters (SMA), accuracy, perfect for checking your mobile installation...." Read more

"work fine for the price" Read more

"This does the job, easy to use and inexpensive." Read more

"...I am loving this thing. For the money, it is well worth purchasing. It is going in my Field Bag. It is solidly built as well...." Read more

27 customers mention24 positive3 negative

Customers like the size of the product. They mention it's compact, solid, and pocket-sized. Some say the size is surprising for the unit.

"...The compact size of the SW-33 Mark II also makes it perfect for portable use, allowing me to take it with me wherever I go...." Read more

"I really like this meter due to it's size. I don't like having too much weight on the attachment point on the radio. I like the accuracy...." Read more

"I cannot say enough about this product. Easy, small, comes complete." Read more

"Pay more and get something better. It's portable, compact, and accurate enough for handheld radios, but the price is too high for the product...." Read more

22 customers mention18 positive4 negative

Customers like the connector. They say it's easy to read, and comes with the adapters required to connect most HTs. Customers also say it comes with extra connection components, making it suitable for a variety of applications.

"...This makes it suitable for a variety of applications, from handheld radios to base stations...." Read more

"...I can't say enough great stuff about this thing. AND YOU GET CONNECTORS!! That alone is worth $10 if you bought them separately." Read more

"...Pros: Price point, built in rechargeable battery, supplied adapters (SMA), accuracy, perfect for checking your mobile installation...." Read more

"...It comes with a wide variety of adapters, which were sufficient for my needs...." Read more

21 customers mention18 positive3 negative

Customers like the quality of the adapter. For example, they mention it's well-made, reliable, and easy to use. That said, some say it has a solid aluminum body and feels sturdy.

"Its solid aluminum body and feels sturdy. Its button is crisp. It comes with adapters...." Read more

"...25 or 30 times so far but the readings seem to be consistent and reliable...." Read more

"...It is going in my Field Bag. It is solidly built as well. I just wish it came with SO239 / PL259 adapters. I Ordered them separately." Read more

"...No guessing on wattage like with meters with a needle. Well made and comes with all needed adapters for portable transceivers, HT's...." Read more

17 customers mention17 positive0 negative

Customers find the readability of the meter to be good. They say it's a handy tool for a quick assessment and gives a pretty close idea of where you stand. Customers also mention that it'll give a good reading with dummy load. Overall, customers are satisfied with the sensitivity and accuracy of the device.

"...The SW-33 Mark II is incredibly easy to use, with its digital display providing clear and accurate readings for both power and SWR...." Read more

"...I find this one more definitive and easier to understand...." Read more

"...Needs to be calibrated or something. Good reading with dummy load tho." Read more

"Pretty good and handy tool. It would be better if they came with adapters for mobile radios." Read more

, so far it seems to do the job. I’m comparing with different antennas presently but not done yet.
4 Stars
, so far it seems to do the job. I’m comparing with different antennas presently but not done yet.
Easy to use. Instructions could be better. If you look at the picture you’ll see my version has three settings on the front, FW,SWR and RW. All the other ones I have seen on YouTube only have two setting. Not complaining but the instructions don’t indicate how to use or read value. Also the LED indicator to the left of the reading has three positions. Instructions should explain this and show pictures of how RW light looks like when reading and what it’s for. That would be very nice, as opposed to having to guess.
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