--- product_id: 17843420 title: "AT&T (Formerly DIRECTV) 21 Volt Power Inserter for All DIRECTV SWM LNBs (PI21)" brand: "directv" price: "€ 42.99" currency: EUR in_stock: true category: "Directv" url: https://www.desertcart.sk/products/17843420-at-and-t-formerly-directv-21-volt-power-inserter-all store_origin: SK region: Slovakia --- # 100-120 V AC input voltage 2000 kHz - 2150 MHz frequency range F-type port interface AT&T (Formerly DIRECTV) 21 Volt Power Inserter for All DIRECTV SWM LNBs (PI21) **Brand:** directv **Price:** € 42.99 **Availability:** ✅ In Stock ## Summary > ⚡ Power your DIRECTV experience like a pro—never miss a moment! ## Quick Answers - **What is this?** AT&T (Formerly DIRECTV) 21 Volt Power Inserter for All DIRECTV SWM LNBs (PI21) by directv - **How much does it cost?** € 42.99 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/17843420-at-and-t-formerly-directv-21-volt-power-inserter-all) ## Best For - directv enthusiasts ## Why This Product - Trusted directv brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Minimal Signal Loss:** Only 2 dB insertion loss keeps your signal strong and your binge sessions flawless. - • **Plug & Play F-Type Ports:** Easy installation with standard F-type connectors—no tech headaches, just pure convenience. - • **Optimized Frequency Range:** Covers 2000 kHz to 2150 MHz to maintain crystal-clear satellite signal quality. - • **Seamless Signal Power Boost:** Ensures ultra-reliable power delivery to your DIRECTV SWM LNBs for uninterrupted streaming. - • **Compact & Lightweight Design:** At just 11.8 ounces and 3x6x4 inches, it fits discreetly into any setup without clutter. ## Overview The AT&T PI21 Power Inserter is a compact, high-performance signal amplifier designed specifically for DIRECTV Slim Line Dish Antennas. Operating within a 2000 kHz to 2150 MHz frequency range and supporting 100-120 V AC input, it ensures minimal 2 dB signal loss through F-type ports, delivering reliable power to SWM LNBs for consistent satellite reception. ## Description Technical Information - Frequency Range - 2000 kHz to 2150 MHz; Signal Loss - 2 dB - Insertion; Input Voltage Range - 100 V AC to 120 V AC; Interfaces/Ports - Ports - F-type; Manufacturer - DIRECTV; Manufacturer Part Number - PI21; Manufacturer Website Address - directv; Brand Name - DIRECTV; Product Model - PI-21; Product Name - PI-21 Power Inserter; Product Type - Signal Amplifier; Miscellaneous - Compatibility - DIRECTV Slim Line Dish Antenna; Frequency Range - 2000 kHz to 2150 MHz; Signal Loss - 2 dB - Insertion; Input Voltage Range - 100 V AC to 120 V AC; Interfaces/Ports - Ports - F-type ## Features - Technical Information - Frequency Range - 2000 kHz to 2150 MHz; Signal Loss - 2 dB - Insertion; Input Voltage Range - 100 V AC to 120 V AC; Interfaces/Ports - Ports - F-type ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B005AME7Y8 | | Best Sellers Rank | #50,189 in Automotive ( See Top 100 in Automotive ) #111 in Power Inverters | | Customer Reviews | 4.6 4.6 out of 5 stars (1,526) | | Date First Available | March 20, 2009 | | Is Discontinued By Manufacturer | No | | Item Weight | 11.8 ounces | | Item model number | PI21R1-03 | | Manufacturer | DIRECTV | | Product Dimensions | 3 x 6 x 4 inches | ## Images ![AT&T (Formerly DIRECTV) 21 Volt Power Inserter for All DIRECTV SWM LNBs (PI21) - Image 1](https://m.media-amazon.com/images/I/81ruYAshq5L.jpg) ## Questions & Answers **Q: Will this be a suitable replacement for PI21R3-16?** A: Yes. This is a direct replacement for all that start Pi21R such as your Pi21R3-16. **Q: Is this channel 3 and 4** A: Don't know what you mean. This is needed for hooking up your dish to the receiver. It has no channels on it. **Q: Will this replace a king ii power injector part :22037 on a king quest pro sattelite?** A: I don’t know. Probably ask the king customer service **Q: Can this be used for hd24-500 reciever** A: Google your reciever model and ask, I believe it can,but look on your web browser and make sure. ## Frequently Bought Together - AT&T (Formerly DIRECTV) 21 Volt Power Inserter for All DIRECTV SWM LNBs (PI21) - DirecTv MSPLIT4R1-03 Approved WNC 4-Way Wide Band SWM Splitter - AGPtek Good For Campers Digital Satellite Signal Meter Finder Meter For Dish Network Directv FTA LCD Graphic Display Backlight Compass Buzzer Control --- ## 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.sk/products/17843420-at-and-t-formerly-directv-21-volt-power-inserter-all](https://www.desertcart.sk/products/17843420-at-and-t-formerly-directv-21-volt-power-inserter-all) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-08-15*