---
product_id: 17843420
title: "AT&T (Formerly DIRECTV) 21 Volt Power Inserter for All DIRECTV SWM LNBs (PI21)"
brand: "directv"
price: "A$48"
currency: AUD
in_stock: true
url: https://www.desertcart.com.au/products/17843420-at-and-t-formerly-directv-21-volt-power-inserter-all
store_origin: AU
region: Australia
---

# Input Voltage: 100-120 V AC Signal Loss: 2 dB Frequency Range: 2000 kHz - 2150 MHz AT&T (Formerly DIRECTV) 21 Volt Power Inserter for All DIRECTV SWM LNBs (PI21)

**Brand:** directv
**Price:** A$48
**Availability:** ✅ In Stock

## Summary

> ⚡ Power Your Viewing Experience!

## 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?** A$48 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/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

- • **🔧 Easy Installation:** Plug-and-play design ensures a hassle-free setup.
- • **📈 Enhanced Performance:** Maximize your DIRECTV experience with minimal signal loss.
- • **🔌 Power Up Your Signal:** Experience uninterrupted streaming with our robust power inserter.
- • **🔒 Reliable Connectivity:** Stay connected with a stable power supply for your satellite system.
- • **🌐 Universal Compatibility:** Works seamlessly with all DIRECTV SWM LNBs.

## Overview

The AT&T 21 Volt Power Inserter (PI21) is designed for all DIRECTV SWM LNBs, providing a frequency range of 2000 kHz to 2150 MHz with a minimal signal loss of just 2 dB. It operates within an input voltage range of 100 V AC to 120 V AC, ensuring reliable performance and easy installation for a superior satellite experience.

## Description

AT&T (Formerly DIRECTV) 21 Volt Power Inserter for All DIRECTV SWM LNBs (PI21)

## 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 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 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

## 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)
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**Shop now:** [https://www.desertcart.com.au/products/17843420-at-and-t-formerly-directv-21-volt-power-inserter-all](https://www.desertcart.com.au/products/17843420-at-and-t-formerly-directv-21-volt-power-inserter-all)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-17*