--- product_id: 747557834 title: "Diamond RH77CA Dual-Band HT Antenna 144 430 MHz High Gain Handheld Amateur Radio Antenna with Improved Range Signal Clarity for Portable Two Way Radios" brand: "diamond antenna" price: "R2284" currency: ZAR in_stock: true category: "Diamond Antenna" url: https://www.desertcart.co.za/products/747557834-diamond-rh77ca-dual-band-ht-antenna-144-430-mhz-high store_origin: ZA region: South Africa --- # High gain for stronger signals Dual-band 144/430 MHz Flexible, durable build Diamond RH77CA Dual-Band HT Antenna 144 430 MHz High Gain Handheld Amateur Radio Antenna with Improved Range Signal Clarity for Portable Two Way Radios **Brand:** diamond antenna **Price:** R2284 **Availability:** ✅ In Stock ## Summary > 📶 Elevate your signal game—never miss a beat on the airwaves! ## Quick Answers - **What is this?** Diamond RH77CA Dual-Band HT Antenna 144 430 MHz High Gain Handheld Amateur Radio Antenna with Improved Range Signal Clarity for Portable Two Way Radios by diamond antenna - **How much does it cost?** R2284 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/747557834-diamond-rh77ca-dual-band-ht-antenna-144-430-mhz-high) ## Best For - diamond antenna enthusiasts ## Why This Product - Trusted diamond antenna brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Endure:** Flexible yet rugged design resists bending and wear for reliable field use. - • **Plug & Play Upgrade:** Compatible with a wide range of dual-band transceivers—no complex setup needed. - • **Lightweight Powerhouse:** Optimized for portability without sacrificing performance during long sessions. - • **Extended Range, Anywhere:** Boost your handheld radio’s reach in urban jungles or remote terrain. - • **Crystal-Clear Communication:** Experience sharper audio and fewer dropouts with precision-tuned dual-band frequencies. ## Overview The Diamond RH77CA is a high gain, dual-band handheld antenna engineered for 144 MHz and 430 MHz amateur radio frequencies. It delivers enhanced transmit and receive performance with reduced signal loss and interference, housed in a flexible, durable design ideal for portable and outdoor use. Compatible with many dual-band radios, it’s a trusted upgrade for clearer, longer-range communication in demanding environments. ## Description The Diamond RH77CA Dual-Band HT Antenna is a premium performance upgrade designed for amateur radio operators who demand greater range, clarity, and reliability from their handheld radios. Operating on both 144 MHz and 430 MHz frequency bands, this antenna is precision engineered to enhance both transmission and reception, delivering noticeable improvements over standard factory antennas. Its high gain design helps reduce signal dropouts and interference, resulting in clearer communication across longer distances. Built with durability in mind, the RH77CA features a flexible construction that withstands repeated use, movement, and outdoor conditions. This makes it an excellent choice for field operations, emergency preparedness, public service events, hiking, and everyday portable radio use. Despite its extended length, the antenna remains lightweight and well balanced, preserving comfort during prolonged operation. The RH77CA is compatible with a broad range of dual-band handheld transceivers, allowing users to upgrade their radio performance without complex installation or tuning. Whether you are a beginner exploring amateur radio or an experienced operator looking for a dependable antenna upgrade, the Diamond RH77CA delivers consistent results. Its combination of improved signal strength, rugged construction, and proven reliability makes it a trusted accessory for anyone serious about handheld radio communication. ## Features - Designed for 144/430 MHz amateur radio bands; antenna performance depends on proper radio compatibility and correct installation. Not universal and not compatible with all radios. - Designed for handheld radio users, this high gain antenna significantly improves transmit and receive efficiency compared to standard stock antennas, providing clearer audio and more dependable connections in urban and outdoor environments - The RH77CA antenna features a flexible yet durable construction that resists bending and wear during daily use, ensuring consistent performance for field operations, emergency communication, and long listening sessions - Compatible with a wide range of dual-band handheld transceivers, this antenna is optimized for portability without sacrificing performance, making it a trusted upgrade for ham radio enthusiasts and professionals alike - Precision tuned for amateur radio frequencies, the Diamond RH77CA antenna reduces signal loss and interference, helping users maintain stable communication even in challenging terrain or signal-dense locations - The Diamond RH77CA dual-band HT antenna is engineered to deliver enhanced signal performance on both 144 MHz and 430 MHz frequencies, making it ideal for amateur radio operators seeking reliable communication and extended operating range ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DJQ13S1W | | Best Sellers Rank | 39,545 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 718 in Radio Communication | | Brand | Diamond Antenna | | Cable Type | Coaxial | | Colour | Black | | Compatible Devices | Handheld and Scanner Antennas | | Compatible Phone Models | No Compatible Phone Models | | Connector Gender | Female-to-Female | | Connector Type | Bnc, Male | | Customer Package Type | rigid box | | Customer Reviews | 4.7 4.7 out of 5 stars (119) | | Frequency | 144 MHz | | Indoor Outdoor Usage | Outdoor | | Item Shape | Round | | Manufacturer | Diamond Antenna | | Manufacturer Part Number | RH77CA | | Model Name | RH77CA | | Model Number | RH77CA | | Number of Pins | 1 | | Other Special Features of the Product | Designed for handheld and portable radio applications, Dual-band operation optimized for 144 MHz and 430 MHz amateur radio frequencies, Flexible construction for durability and long service life, High gain design for improved transmit and receive performance, Precision tuning for reduced signal loss and improved clarity | | Outer Material | Braided Copper or Aluminum | | Recommended Uses For Product | Audio Transmission | | Unit Count | 1.0 count | ## Product Details - **Brand:** Diamond Antenna - **Cable type:** Coaxial - **Compatible devices:** Handheld and Scanner Antennas - **Connector type:** Bnc, Male ## Images ![Diamond RH77CA Dual-Band HT Antenna 144 430 MHz High Gain Handheld Amateur Radio Antenna with Improved Range Signal Clarity for Portable Two Way Radios - Image 1](https://m.media-amazon.com/images/I/41ATvXi7k5L.jpg) ## Frequently Bought Together - Diamond Antenna Dual-Band HT Antennas RH77CA - Anteenna TW-BNCJ-SMAJ(3 Packs) Adaptor Connector BNC Female to SMA Female is Suit for HAM (144/430MHz) Handheld Antenna BNC Male - Anteenna TW-BNCJ-SMAP (3 Packs) Adaptor Connector BNC Female to SMA Male is Suit for Ham (144/430MHz) Handheld Antenna BNC Male --- ## 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.co.za/products/747557834-diamond-rh77ca-dual-band-ht-antenna-144-430-mhz-high](https://www.desertcart.co.za/products/747557834-diamond-rh77ca-dual-band-ht-antenna-144-430-mhz-high) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-09-14*