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Description
seeed studio rf explorer 3g combo spectrum analyzerYou can use RF Explorer 3G Combo equally well outdoor and indoor, and you can also connect it to a PC for extra functionality using standard mini USB 2. 0 connector. This model includes a WSUB1G baseline unit plus an RFEMWSUB3G Expansion Module conveniently assembled and tested. It comes with two SMA connectors and two antennas,a dual band telescopic 144 430 MHz antenna for all Sub GHz frequencies and a whip helical antenna for 2. 4 GHz band.
You can use RF Explorer 3G Combo equally well outdoor and indoor, and you can also connect it to a PC for extra functionality using standard mini-USB 2.0 connector.
This model includes a WSUB1G baseline unit plus an RFEMWSUB3G Expansion Module conveniently assembled and tested. It comes with two SMA connectors and two antennas,a dual band telescopic 144 / 430 MHz antenna for all Sub-GHz frequencies and a whip helical antenna for 2.4 GHz band. Additional, specific band antennas may be needed to cover efficiently some of the frequencies supported.
The combination of these two models offer the wide band coverage of the WSUB3G module, together with the highest sensitivity and quick response of the WSUB1G model for the popular sub-1GHz frequencies.
Features
- Pocket size and light weight
- Solid aluminum metal case
- Includes a transport EVA carry case for RF Explorer
- Spectrum Analyzer mode with Peak Max and Hold, Normal, Overwrite and Averaging modes
- Lifetime free firmware upgrades available, open to community requested features
- High capacity Lipo for 16 hours+ of continuous run, rechargeable by USB
- Windows PC client Open Source
- Can be extended with internal Expansion Modules for additional band and functionality
- Wide band coverage to all popular RF frequencies, starting at 15 MHz and going up to 2.7 GHz. This includes very interesting frequency areas such as 2 m HAM radio, all VHF and UHF, FM radio, GPS, WiFi and WiMax, Bluetooth, etc.
- Firmware: RF Explorer 3G Combo is delivered with upgraded firmware v1.09. Note some of the features and operation accuracy will be improved in upcoming free firmware revisions.
Specifications
| Battery | Lithium Cells / Batteries contained in equipment UN3481 - PI967 |
| Frequency band | 15-2700 MHz |
| Frequency span | 112 KHz - 600 MHz |
| Graphics LCD | 128 x 64 pixels, great visibility outdoors |
| PC Windows client | supports Windows XP/Vista/Win7 both 32 and 64bits |
| Backlight | for great indoor visibility |
| 2 standard SMA 50 ohms connector, | one for Sub-GHz wideband Nagoya NA-773 telescopic antenna included and another 2.4 GHz one for 15-2700 MHz band with helical antenna included. |
| Amplitude resolution | 0.5 dBm |
| Dynamic range | |
| Left SMA port (WSUB1G) | -115 dBm to 0 dBm |
| Right SMA port (WSUB3G) | -110 dBm to -10 dBm |
| Absolute Max input power | |
| Left SMA port (WSUB1G) | +5 dBm |
| Right SMA port (WSUB3G) | +30 dBm |
| Average noise level (typical) | -110 dBm |
| Frequency stability and accuracy (typical) | +-10 ppm |
| Amplitude stability and accuracy (typical) | +-6 dBm |
| Frequency resolution | 1 KHz |
| Resolution bandwidth (RBW) | automatic 3 KHz to 600 KHz |
| Weight | 185 g |
| Size | 113 x 70 x 25 mm |
Included
- RF Explorer 3G Combo
- Nagoya NA-773 wideband telescopic antenna
- 2.4 GHz band antenna
- EVA Case
Documentation
- For more info and to get started with your RF Explorer, visit the start page.
-
For questions and support, please visit https://support.rf-explorer.com
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 30 reviews
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Product Reviews
★★★★★ 1
Poor quality
Color: Coffee
Zipper broke within 15 days of use
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2026
★★★★★ 5
Real leather, soft and lightweight
Color: Brown, Color: Brown
This medium sized leather tote bag is well made, with tight stitching; heavy duty, gunmetal colored hardware; and a thick, dark gray fabric lining on the inside. There are 2 short, rounded handles that do not fold down, and a narrow, flat, detachable crossbody strap that can be adjusted in length. The style is simple and classic, with a hand-dyed brown finish that will go well with most outfits. It's versatile, being suitable for work or everyday use. It can carry a small laptop or tablet, along with other essential items. There are no outside pockets, but inside there are several. The central compartment is spacious, with 2 slip pockets on one side. There are also 2 zippered pockets, with a large open pocket separating them. The top of the bag has a full, metal zipper that seems good quality. This bag is very attractive as well as functional, and though the leather feels lightweight the bag seems durable. Its listed price is a little high for my budget, but a coupon offer currently makes it a good value. I was very surprised that there is no logo or branding of any kind visible on the outside of this bag, and only one name label stitched to a pocket on the inside. Many bags I see have prominent names, symbols, or initials on the outside, and sometimes all over the inside lining as well. The simplicity of this bag is a refreshing change as it lets the quality speak for itself. I like it!
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Reviewed in the United States on January 5, 2026
★★★★★ 3
Great bag
Color: Brown, Color: Brown
This is a wonderful leather bag. It can be carried by handles or worn crossbody. It fits my 13" MacBook Pro perfectly though it doesn't have any particular padding to protect a laptop. I have a couple of nitpicks though for a bag that costs $98. 1/It's a shame that the handles can't lay down or disappear in some way when not in use. They just look a little goofy when you wear the bag across your body. And 2/the stitching is a little weird. The exterior shows the stitching for the inside pocket and I don't know that it's necessary. All in all it's a good bag but if I could return it I would consider doing so because of the way the handles stick up when worn crossbody. I do think, ultimately that's a dealbreaker for me.
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Reviewed in the United States on December 23, 2025
★★★★★ 5
This Bag Is Unbelievable - Serious Business
Color: Brown, Color: Brown
I’m a self-admitted bag enthusiast, and this one genuinely surprised me. I wasn’t familiar with the brand, but the quality is immediately apparent. The leather is soft yet substantial, giving it a premium feel without seeming fragile or flimsy.
The stitching is impeccable, and the front and back are cleanly designed with no unnecessary frills—just a timeless, well-constructed silhouette. It’s the kind of bag that people notice, whether you’re carrying it or someone sees it from across the room.
The strap was neatly packaged inside, and everything arrived in perfect condition. I looked it over carefully and couldn’t find a single flaw. In my opinion, this is a near-perfect everyday bag and an impressive value for the quality.
*** Photos are front of bag (same as back), side of bag & bottom of bag. As you can see the stitching, as well as everything else, is quite impressive. Love this bag!
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Reviewed in the United States on December 30, 2025
★★★★★ 4
Gorgeous Color!
Color: Coffee, Color: Coffee
I am very happy with the color of this purse the inside pockets and zipped pockets, a total of 4, allows for neat organization of all my items such as phone, cosmetics, sunglasses, tissues, perfume, mints and etc... I love the gun metal colored hardware. The zippers move smoothly. The crossbody strap is long enough for my 6' frame and sits right at my hip when I use the last buckle hole. All the stitching is complete and tight. Speaking of stitching, I removed a star because the inside pockets are sewn on and shows on the back of the purse. I don't like having to check if my purse is facing the right way. For the price of this purse the stitching should not be showing. The interior lining is a cloth-like fabric. The inside zipped pockets are full size and lay on top of each other. This is different from what I've seen in other purses. When the purse is full, the top pocket slightly covers the main compartment bottom from view. I will be sure to put something somewhat flat in that pocket to avoid this. There is no offensive odor from shipping. Because of the stitching issue, I cannot recommend to others without point this out.
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Reviewed in the United States on December 31, 2025