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Description
Icom VHF Internal Duplexers 3MHz SeparationIcom VHF Internal Duplexers 3MHz Separation IASDUP1001 IASDUP1002 IASDUP1003 50W Internal VHF Duplexers Compact Single Antenna Solutions for VHF Repeaters The Icom IASDUP1001 02 03 series consists of professional grade 6 cavity internal duplexers engineered for high performance VHF repeater systems. These specialized RF components allow a repeater to transmit and receive simultaneously through a single antenna port, eliminating the need for dual
Icom VHF Internal Duplexers 3MHz Separation
IASDUP1001 / IASDUP1002 / IASDUP1003
50W Internal VHF Duplexers
Compact Single-Antenna Solutions for VHF Repeaters
The Icom IASDUP1001/02/03 series consists of professional-grade 6-cavity internal duplexers engineered for high-performance VHF repeater systems. These specialized RF components allow a repeater to transmit and receive simultaneously through a single antenna port, eliminating the need for dual antennas or bulky external hardware. Specifically designed for a factory-style fit within the chassis of the FR5000 and CY5300 series, these duplexers provide a clean, integrated solution for space-constrained rack environments and mobile command centers.
With a power rating of 50 Watts and a high-selectivity 6-cavity design, these units provide excellent isolation between the transmit and receive paths, preventing receiver desensitization and ensuring crisp audio quality. Each variant is optimized for a specific segment of the VHF band, providing reliable coverage across amateur, commercial, and public safety frequencies. With a standard 3MHz TX-RX separation, these duplexers offer a versatile and efficient migration path for single-site or networked repeater systems.
Key Features & Benefits
- Internal Chassis Integration: Tailored to fit directly inside the repeater housing, protecting the RF signal path and saving valuable 19-inch rack space.
- Single Antenna Efficiency: Enables full-duplex operation on one antenna, significantly reducing tower equipment costs and installation complexity.
- High-Isolation 6-Cavity Design: Provides superior rejection of transmitter noise to maintain maximum receiver sensitivity in congested RF environments.
- Vibration-Resistant Build: Rugged construction ensures stable frequency performance in both fixed station and transportable deployments.
- Broad VHF Coverage: Multiple variants available to cover the full VHF spectrum from 136MHz up to 174MHz.
- Low Insertion Loss: Engineered to maintain maximum signal strength for both incoming and outgoing transmissions.
Specifications
- Brand: Icom
- Configuration: 6-Cavity
- Connector Type: N-Connector
- Application: Internal Repeater Mounting
- Compatible Chassis: FR5000, CY5300
Variant Compatibility Guide
| Variant | FrequencyRange | Power | MHz |
| IASDUP1001 | 136-148MHz | 50W | 3MHz |
| IASDUP1002 | 148-160MHz | 50W | 3MHz |
| IASDUP1003 | 160-174MHz | 50W | 3MHz |
Frequently Asked Questions
- Are these duplexers pre-tuned? No. Duplexers must be tuned to your specific FCC-assigned TX and RX frequencies. It is recommended that a qualified technician perform the tuning using a calibrated network analyzer before installation.
- What is the benefit of an internal duplexer? It creates a highly portable, "one-box" repeater solution that is easier to deploy in the field and requires less rack space than external alternatives.
Warranty
1-year manufacturer's warranty.
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
4.6 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 4
Mostly good, with one design flaw - See Update - Five stars for new version!
Color: White
*I bumped my rating from 3 to 4 stars because of the customer service. The seller's response to customer reviews is excellent. This particular model (MF05) still gets 3 stars from me, but the new version (MF09) is definitely a 5 star product. See update below.*
Second Update: I received the new version (FoodVille MF09), and really like it. It solves the variable speed problem. Three speeds are still available, however, each has its own on/off switch, so no more cycling through. It also comes with an additional hook attachment for mixing powders with liquid, as well as a charging stand. It is a few dollars more, but most definitely worth it! Buy the MF09 version, https://amazon.com/FoodVille-Rechargeable-Stainless-Cappuccino-Bulletproof/dp/B0872RLB4V/ref=sr_1_1?dchild=1&keywords=foodville+mf09&qid=1595520925&sr=8-1 I recommend buying from this seller (FoodVille). They are very attentive and customer oriented. I will be leaving a 5 star review for that frother!
Update: FoodVille contacted me to let me know they have a new version of this frother that addresses the variable speed issue I've complained about. They are sending me the new frother, and I will post a review on the updated version soon. The new version is FoodVille MF09, so be sure to check it out as it sounds better than the MF05 I have purchased and reviewed here. In addition to fixing the speed issue, they have included a charging dock.
I've had this frother for a few months now. Overall, it works as well as my Aerolatte hand-held that died. I like that it is rechargeable, since I went through quite a lot of batteries before. My problem with this is the way you have to cycle through the speeds, rather than just selecting the one you want. This is a problem because sometimes I'll need to stop it before I'm finished and then when I resume it is on the next faster speed, which causes the milk to fly out of the glass before I can get back to the lower setting. I have ruined at least one shirt with stains from the flying milk. Also, because of where the on/off button is, and because of its sensitivity, I sometimes turn it off accidentally, which of course causes the milk to slosh everywhere getting back to the lower setting. I really wish you could just pick a speed, even if that means just a high and a low. I'm thinking of going back to a single speed frother. All but the lowest speed seems to be too strong to froth milk anyway.
So, it works, it has good battery life, but cycling through the speeds has been a problem for me. I'll keep using it for now, but may be in the market for something different soon.
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Reviewed in the United States on April 2, 2020
★★★★★ 5
Perfect for home baristas
Color: White
I recently purchased this milk frother, and it has completely elevated my daily coffee routine. It’s incredibly easy to use—just pour in your milk, press a button, and within seconds you have perfectly smooth, creamy foam. Whether I’m making a latte, cappuccino, or even a matcha, the texture comes out consistently rich and velvety every time.
What I love most is how quiet and fast it is compared to other frothers I’ve tried. It heats the milk evenly without burning it, and the foam holds its shape beautifully. Cleanup is also a breeze thanks to the non-stick interior—just a quick rinse and wipe, and it’s ready to go again.
The design is sleek and compact, so it doesn’t take up much counter space, and it looks great next to my coffee setup. Overall, this frother delivers excellent performance, convenience, and quality. I’d highly recommend it to anyone who enjoys café-style drinks at home.
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Reviewed in the United States on March 19, 2026
★★★★★ 5
Best Frother in this Category!!!
Color: Black
This is by far the best frothers the money that I have purchased. It has two speeds, with the second being very powerful. These units charge quickly and they hold a charge for a long time. The attachments are sturdy and they do not warp and spin off-center like many others. I would also like to say that Foodville has a very generous warranty. I had one unit stop working after eight months and they replaced it promptly within two weeks.. I highly recommend!
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Reviewed in the United States on May 3, 2026
★★★★★ 5
No Other Option Needed (and no batteries required!)
Color: Black, Color: Black
The price is good, it works great, the usb c charging is such a plus, I’d definitely recommend if someone needs a frother. The rechargeable feature is key for long term value.
A more niche use case I have is using this to mix my protein mix powder with water on days I don’t want to make a whole smoothie. It’s easy and lets me silently, even at night when a blender would be too loud, mix powdered drinks by hand.
The size is good too, it fits into cupboards easily.
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Reviewed in the United States on April 5, 2026
★★★★★ 5
The reviews are real! This frother is amazing!
Color: Black
I wasn’t sure how good this frother could possibly be for being less than $10, but I figured that many positive reviews couldn’t be wrong. I’m so glad I bought it. I usually buy those crappy, cheaply made $5 ones from the big box stores. They’re battery operated, never last long, and are weak. This one is the opposite! Heftier, rechargeable (no more batteries!), comes with 2 heads instead of 1, and the frother head has a double coil. It’s incredibly powerful! It doesn’t come with a stand, but if your like me and have any from the ones that have died… it fits those stands just fine! I use it to make my cold foam & using this frother, my cold foam turned out the thickest it ever has!
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Reviewed in the United States on April 24, 2026