--- product_id: 17430549 title: "Iridium Portable Auxiliary Antenna M1621HCT-EXT" brand: "bluecosmo" price: "AED 549" currency: AED in_stock: true reviews_count: 4 category: "Blue Cosmo" url: https://www.desertcart.ae/products/17430549-iridium-portable-auxiliary-antenna-m1621hct-ext store_origin: AE region: United Arab Emirates --- # 1,500mm cable length Ultra-lightweight & compact Iridium certified compatibility Iridium Portable Auxiliary Antenna M1621HCT-EXT **Brand:** bluecosmo **Price:** AED 549 **Availability:** ✅ In Stock ## Summary > 📶 Stay connected anywhere, because missing out is not an option! ## Quick Answers - **What is this?** Iridium Portable Auxiliary Antenna M1621HCT-EXT by bluecosmo - **How much does it cost?** AED 549 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ae](https://www.desertcart.ae/products/17430549-iridium-portable-auxiliary-antenna-m1621hct-ext) ## Best For - bluecosmo enthusiasts ## Why This Product - Trusted bluecosmo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact Powerhouse:** Small, lightweight helical design fits effortlessly into any setup without bulk. - • **Upgraded Performance:** Replaces older flat antennas with superior reception and reliability. - • **Plug & Play Simplicity:** Direct connection with Iridium external antenna adapters for instant signal boost. - • **Versatile Industrial Grade:** Engineered for extreme environments—perfect for commercial, industrial, and adventure use. - • **Seamless Satellite Connectivity:** Certified Iridium compatibility ensures crystal-clear communication even 100 miles offshore. ## Overview The Iridium Portable Auxiliary Antenna M1621HCT-EXT is a certified, compact, and lightweight external magnet mount antenna designed to enhance Iridium satellite phone reception. Featuring a 1,500mm cable and TNC connector, it seamlessly integrates with Iridium Extreme, 9555, 9505A, and GO! models, delivering reliable satellite communication in the most demanding environments. ## Description desertcart.com: Iridium Portable Auxiliary Antenna M1621HCT-EXT : Electronics Review: Awesome - My husband goes 100 miles off shore fishing and I can hear him loud and clear Review: a longer feed line would be nice but that would be more loss of signal - it is very small, but works well. a longer feed line would be nice but that would be more loss of signal. ## Features - CERTIFIED: Iridium certified passive external magnet mount antenna with 1,500mm (5') and Iridium TNC connector. Connect directly to your Iridium satellite phone's external antenna adapter - NEW: This Maxtena M1621HCT-EXT is now included with most Iridium Extreme and Iridium 9555 satellite kits and replaces flat style Iridium auxiliary antenna SYN7391A. - VERSITILE: The very small size and light weight make this helical Iridium antenna unique in the market and perfect for various commercial and industrial applications. This antenna is the ideal solution for the most extreme and demanding applications where reliable satellite reception and high accuracy are required. It can be used to boost the performance of the Iridium handsets among other uses. - COMPATIBILITY: Works with Iridium satellite phones using the external antenna adapter. Iridium Extreme, Iridium 9555, Iridium 9505A, Iridium 9505 & Iridium GO! - Part Number: 100-00044-01 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00FQPL17U | | Antenna | Satellite | | AntennaDescription | Satellite | | Best Sellers Rank | #1,911 in TV Antennas #2,134 in Radio Antennas | | Brand | BlueCosmo | | Color | Black | | Customer Reviews | 3.8 out of 5 stars 14 Reviews | | Impedance | 50 ohm | | Manufacturer | Maxtena | | Mfr Part Number | SYN7391A | | Model Number | 100-00044-01 | | Number of Channels | 1 | | Number of Items | 1 | | UPC | 720825292571 | ## Product Details - **Antenna:** Satellite - **Brand:** BlueCosmo - **Color:** Black - **Number of Channels:** 1 - **UPC:** 720825292571 - **Manufacturer:** Maxtena - **Number of Items:** 1 ## Images ![Iridium Portable Auxiliary Antenna M1621HCT-EXT - Image 1](https://m.media-amazon.com/images/I/31-d8zgCDkL.jpg) ![Iridium Portable Auxiliary Antenna M1621HCT-EXT - Image 2](https://m.media-amazon.com/images/I/313Mlp+RWsL.jpg) ![Iridium Portable Auxiliary Antenna M1621HCT-EXT - Image 3](https://m.media-amazon.com/images/I/41sN70QtxwL.jpg) ![Iridium Portable Auxiliary Antenna M1621HCT-EXT - Image 4](https://m.media-amazon.com/images/I/31-5b3s9JSL.jpg) ## Questions & Answers **Q: Does it plug into the irridium go? do i need the external adapter to plug this roof top antenna to the irridium go?** A: I bought this antenna and the adapter to use with my Iridium Go on my RV. It works great. There's no metal on the roof of my RV to stick the antenna to, so I glued a large metal washer to the roof, and the antenna sticks to it just fine. BlueCosmo Iridium Portable Auxiliary Antenna M1621HCT-EXT BlueCosmo Iridium Go External Antenna Adapter **Q: How long is the cable of the antenna?** A: The cable length is 1500mm (5 Foot) **Q: Could this be used with a delorme inreach se?** A: Had to get adapter **Q: I have the flat version external antenna . is this one better gain? thanks! i currently have sat service with bluecosmo and it's great.** A: This is much smaller I have the flat version too. The pic makes it look larger than it is. I have used this for over a year and it is wonderful. The cable is rather short, check the length for your needs. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Awesome *by E***E on November 27, 2023* My husband goes 100 miles off shore fishing and I can hear him loud and clear ### ⭐⭐⭐⭐⭐ a longer feed line would be nice but that would be more loss of signal *by C***. on May 13, 2017* it is very small, but works well. a longer feed line would be nice but that would be more loss of signal. ### ⭐ Terrible product *by P***A on May 18, 2019* Terrible product ## Frequently Bought Together - Iridium Portable Auxiliary Antenna M1621HCT-EXT - BlueCosmo Iridium GO! 9560 External Antenna Adapter - Iridium Mobile Antenna External Magnet Mount by BlueCosmo Satellite --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.ae/products/17430549-iridium-portable-auxiliary-antenna-m1621hct-ext](https://www.desertcart.ae/products/17430549-iridium-portable-auxiliary-antenna-m1621hct-ext) --- *Product available on Desertcart United Arab Emirates* *Store origin: AE* *Last updated: 2026-09-23*