---
product_id: 171439297
title: "Nooelec SAWbird+ H1 - Premium Saw Filter & Cascaded Ultra-Low Noise Amplifier (LNA) Module for Hydrogen Line (21cm) Applications. 1420MHz Center Frequency. Designed for Software Defined Radio (SDR)"
brand: "nooelec"
price: "2609966₫"
currency: VND
in_stock: true
reviews_count: 13
category: "Noo Elec"
url: https://www.desertcart.vn/products/171439297-nooelec-sawbird-h1-premium-saw-filter-and-cascaded-ultra-low
store_origin: VN
region: Vietnam
---

# 3 flexible power options 1420 MHz center frequency Ultra-low noise figure LNAs Nooelec SAWbird+ H1 - Premium Saw Filter & Cascaded Ultra-Low Noise Amplifier (LNA) Module for Hydrogen Line (21cm) Applications. 1420MHz Center Frequency. Designed for Software Defined Radio (SDR)

**Brand:** nooelec
**Price:** 2609966₫
**Availability:** ✅ In Stock

## Summary

> 🚀 Unlock the universe’s whispers with the SAWbird+ H1!

## Quick Answers

- **What is this?** Nooelec SAWbird+ H1 - Premium Saw Filter & Cascaded Ultra-Low Noise Amplifier (LNA) Module for Hydrogen Line (21cm) Applications. 1420MHz Center Frequency. Designed for Software Defined Radio (SDR) by nooelec
- **How much does it cost?** 2609966₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/171439297-nooelec-sawbird-h1-premium-saw-filter-and-cascaded-ultra-low)

## Best For

- nooelec enthusiasts

## Why This Product

- Trusted nooelec brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact & Robust Design:** Sleek surface mount form factor built for seamless integration and durability.
- • **Versatile Powering Modes:** Power your setup your way—bias tee, microUSB, or header.
- • **Dual Ultra-Low Noise Amplifiers:** Experience crystal-clear reception with industry-leading noise suppression.
- • **Precision Hydrogen Line Detection:** Pinpoint the 21cm cosmic signal with unmatched clarity.
- • **Made in North America with Warranty:** Quality craftsmanship backed by 2 years of direct support.

## Overview

The Nooelec SAWbird+ H1 is a premium, self-contained LNA module optimized for hydrogen line (1420 MHz) detection in SDR applications. Featuring dual ultra-low noise amplifiers and a custom high-performance SAW filter, it delivers exceptional signal clarity for 21cm band experimentation. With three powering options and a compact surface mount design, it’s engineered for professional radio astronomers and SDR enthusiasts seeking precise cosmic signal capture, all backed by a 2-year warranty and North American quality.

## Description

desertcart.com: Nooelec SAWbird+ H1 - Premium Saw Filter & Cascaded Ultra-Low Noise Amplifier (LNA) Module for Hydrogen Line (21cm) Applications. 1420MHz Center Frequency. Designed for Software Defined Radio (SDR) : Industrial & Scientific

Review: Great tandem performance with astro spectrometer - Amateur radio enthusiasts now have amazing and powerful technical capabilities at their disposal. My initial plan was to replicate some of the results documented by a group of students on the Internet. Their project demonstrated how the native H1 frequency (1420.4 Mhz) of neutral hydrogen can become red and blue-shifted due to the Doppler effect and the rotation of our Milky Way galaxy (MWG). Likewise used the spectrometer software from the West Virginia University Radio Astronomy project (WVU RAIL) which employs the polyphase filter bank technique to enhance harvesting of weak astronomical signals from the noise clutter. Instead of a horn antenna, a simple grid-wifi dish was used in conjunction with a dipole feed element tuned to 1420 Mhz via return-loss testing. The Sawbird+H1 served as the upstream LNA because of its lower published noise figure and a spectrum analyzer confirmed a relatively flat 30 db passband. Downstream devices included a Raspberry Pi-4 running the spectrometer software and an NESDR Smartee sampling at 2.4 MSPS. The accompanying image has the dish pointed in the vicinity of the star Alya near the galactic plane with coordinates of approximately +35 degrees longitude and 0 degrees latitude. There is a noticeable peak at roughly 1420.56 Mhz, followed by a dip, and then another slight peak at 1420.59 Mhz. These blue-shifted frequencies appear related to H1 concentrations in regions of the spiral arms of the MWG that are moving toward the observer. The frequency deviations from the baseline H1 correspond to a tangential (line-of-sight) velocity of 33.8 km/sec and 40.1 km/sec, respectively. By factoring in the Sun's velocity relative to the galactic core, the rotational speed of the galaxy can be estimated. Calibration of the spectrometer using its "hot" and "cold" benchmark temperatures is vital prior to observation.
Review: Nice!!!! - The package arrived safely. The device works as intended. The Signal to Noise ration for 1420 mhz in this device is extraordinary compared to wideband LNA's. I've been doing 24 hrs straight testing for 4th time now and the device is stil great!!! Definitely worth the money.

## Features

- SAWbird+ H1 is a self-contained LNA module designed for hydrogen line detection and similar 21cm band experimentation
- The module uses 2 ultra-low-noise LNAs and a custom high-performance SAW filter centered at the frequency of interest
- SAWbird+ H1 can be powered in 3 ways: via bias tee, through the on-board microUSB connector, or through the on-board female header
- Made in North America with love. Full 2 year warranty and support direct through Nooelec!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07XPV9RX2 |
| Best Sellers Rank | #100,354 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #4 in Radio Frequency Filters |
| Brand | NooElec |
| Date First Available | September 9, 2019 |
| EU Spare Part Availability Duration | 2 Years |
| Item Weight | 1.76 ounces |
| Item dimensions L x W x H | 3.15 x 1.18 x 0.39 inches |
| Item model number | SAWbird+ H1 |
| Manufacturer | Nooelec Inc. |
| Maximum Supply Voltage | 12 Volts (DC) |
| Mounting Type | Surface Mount |
| Number of Channels | 1 |
| Output Power | 7.2 Watts |
| Package Type Name | box |
| Product Dimensions | 3.15 x 1.18 x 0.39 inches |
| Specification Met | Emi Shielding, Overvoltage Protection, and Protection Circuitry |
| UPC | 616469146557 |
| Voltage | 5 Volts |

## Product Details

- **Item dimensions L x W x H:** 3.15 x 1.18 x 0.39 inches
- **Manufacturer:** Nooelec Inc.
- **Maximum Supply Voltage:** 12 Volts (DC)
- **Mounting Type:** Surface Mount
- **Voltage:** 5 Volts

## Images

![Nooelec SAWbird+ H1 - Premium Saw Filter & Cascaded Ultra-Low Noise Amplifier (LNA) Module for Hydrogen Line (21cm) Applications. 1420MHz Center Frequency. Designed for Software Defined Radio (SDR) - Image 1](https://m.media-amazon.com/images/I/31cLcTlDaeL.jpg)
![Nooelec SAWbird+ H1 - Premium Saw Filter & Cascaded Ultra-Low Noise Amplifier (LNA) Module for Hydrogen Line (21cm) Applications. 1420MHz Center Frequency. Designed for Software Defined Radio (SDR) - Image 2](https://m.media-amazon.com/images/I/31dFzAgXNlL.jpg)
![Nooelec SAWbird+ H1 - Premium Saw Filter & Cascaded Ultra-Low Noise Amplifier (LNA) Module for Hydrogen Line (21cm) Applications. 1420MHz Center Frequency. Designed for Software Defined Radio (SDR) - Image 3](https://m.media-amazon.com/images/I/31fv54SkSjL.jpg)
![Nooelec SAWbird+ H1 - Premium Saw Filter & Cascaded Ultra-Low Noise Amplifier (LNA) Module for Hydrogen Line (21cm) Applications. 1420MHz Center Frequency. Designed for Software Defined Radio (SDR) - Image 4](https://m.media-amazon.com/images/I/411ag2DiSfL.jpg)
![Nooelec SAWbird+ H1 - Premium Saw Filter & Cascaded Ultra-Low Noise Amplifier (LNA) Module for Hydrogen Line (21cm) Applications. 1420MHz Center Frequency. Designed for Software Defined Radio (SDR) - Image 5](https://m.media-amazon.com/images/I/71eanxizvZL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great tandem performance with astro spectrometer
*by G***Y on March 11, 2020*

Amateur radio enthusiasts now have amazing and powerful technical capabilities at their disposal. My initial plan was to replicate some of the results documented by a group of students on the Internet. Their project demonstrated how the native H1 frequency (1420.4 Mhz) of neutral hydrogen can become red and blue-shifted due to the Doppler effect and the rotation of our Milky Way galaxy (MWG). Likewise used the spectrometer software from the West Virginia University Radio Astronomy project (WVU RAIL) which employs the polyphase filter bank technique to enhance harvesting of weak astronomical signals from the noise clutter. Instead of a horn antenna, a simple grid-wifi dish was used in conjunction with a dipole feed element tuned to 1420 Mhz via return-loss testing. The Sawbird+H1 served as the upstream LNA because of its lower published noise figure and a spectrum analyzer confirmed a relatively flat 30 db passband. Downstream devices included a Raspberry Pi-4 running the spectrometer software and an NESDR Smartee sampling at 2.4 MSPS. The accompanying image has the dish pointed in the vicinity of the star Alya near the galactic plane with coordinates of approximately +35 degrees longitude and 0 degrees latitude. There is a noticeable peak at roughly 1420.56 Mhz, followed by a dip, and then another slight peak at 1420.59 Mhz. These blue-shifted frequencies appear related to H1 concentrations in regions of the spiral arms of the MWG that are moving toward the observer. The frequency deviations from the baseline H1 correspond to a tangential (line-of-sight) velocity of 33.8 km/sec and 40.1 km/sec, respectively. By factoring in the Sun's velocity relative to the galactic core, the rotational speed of the galaxy can be estimated. Calibration of the spectrometer using its "hot" and "cold" benchmark temperatures is vital prior to observation.

### ⭐⭐⭐⭐⭐ Nice!!!!
*by C***E on July 14, 2024*

The package arrived safely. The device works as intended. The Signal to Noise ration for 1420 mhz in this device is extraordinary compared to wideband LNA's. I've been doing 24 hrs straight testing for 4th time now and the device is stil great!!! Definitely worth the money.

### ⭐⭐⭐⭐⭐ Outstanding Performance for H Line Radio Astronomy
*by A***P on October 28, 2024*

The LNA for H Line Radio Astronomy ... For info on building your own radio telescope antenna and links to download free software capable of creating the 3D graphics shown in the photo, search " Project HLine3D "

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-02-02*