Nooelec SAWbird+ ADS-B: Premium, Dual-Channel, Cascaded Ultra-Low Noise Amplifier (LNA) & Filter Module for Airplane Tracking Applications. 1090MHz (ADSB) and 978MHz (UAT) Center Frequencies
Nooelec SAWbird+ ADS-B: Premium, Dual-Channel, Cascaded Ultra-Low Noise Amplifier (LNA) & Filter Module for Airplane Tracking Applications. 1090MHz (ADSB) and 978MHz (UAT) Center Frequencies
Nooelec SAWbird+ ADS-B: Premium, Dual-Channel, Cascaded Ultra-Low Noise Amplifier (LNA) & Filter Module for Airplane Tracking Applications. 1090MHz (ADSB) and 978MHz (UAT) Center Frequencies
The Nooelec SAWbird+ ADS-B is a premium dual-channel cascaded ultra-low noise amplifier and filter module specifically engineered for aircraft tracking and aviation surveillance applications operating at 1090MHz ADS-B and 978MHz UAT frequencies. Professional aviation enthusiasts, flight tracking networks, and aerospace monitoring stations use this module to dramatically improve receiver sensitivity and signal-to-noise ratio when capturing transponder signals from aircraft at extended ranges. This product solves the critical challenge of weak signal reception in ADS-B tracking systems by providing high-gain amplification with minimal noise figure, enabling detection of distant aircraft that would otherwise be missed by standard receivers.
Product Overview
The SAWbird+ ADS-B employs a cascaded dual-channel architecture featuring low-noise amplification stages coupled with precision Surface Acoustic Wave (SAW) filters optimized for the 1090MHz ADS-B and 978MHz UAT bands. The cascaded design ensures that the first amplification stage operates at an ultra-low noise figure, typically around 0.6dB, which is critical because noise introduced in the first stage dominates the overall system noise performance. The integrated SAW filters provide sharp frequency selectivity to reject out-of-band interference and strong signals from adjacent frequency bands, particularly important in congested RF environments near airports or urban areas where multiple communication systems operate simultaneously.
This module represents a significant advancement over single-channel LNA designs through its dual-channel capability, allowing simultaneous reception of both ADS-B (1090MHz) and UAT (978MHz) signals without requiring external switching or multiplexing. The premium construction utilizes low-loss PCB materials and optimized impedance matching throughout the signal path to minimize insertion losses. The compact form factor integrates seamlessly with popular software-defined radio (SDR) platforms like RTL-SDR dongles and professional ADS-B receivers, making it an essential component for anyone serious about aircraft tracking, flight monitoring networks, or aviation research applications requiring maximum reception range and signal fidelity.
Key Specifications
| Specification | Details |
| Product Type | Dual-Channel Cascaded Ultra-Low Noise Amplifier and SAW Filter Module |
| Brand | Nooelec |
| Model | SAWbird+ ADS-B |
| Origin | Original/Authentic |
| Center Frequencies | 1090MHz (ADS-B) and 978MHz (UAT) |
| Noise Figure | Approximately 0.6dB (first stage) |
| Gain | Approximately 20dB total cascaded gain |
| Filter Type | Surface Acoustic Wave (SAW) filters with sharp roll-off |
| Bandwidth | Optimized for ADS-B (1090MHz +/- 10MHz) and UAT (978MHz +/- 10MHz) |
| Connector Type | SMA connectors for input/output |
| Power Supply | Bias-T compatible with standard receiver power |
| Warranty | 7 days on manufacturing defects |
| Shipping | 1-5 days from Bengaluru |
| Delivery | 7-8 days across India |
| Support | 24/7 via Email and WhatsApp |
Key Features
- Cascaded dual-channel architecture with ultra-low noise figure of approximately 0.6dB on first stage, ensuring minimal thermal noise contribution to the receiver system and maximizing sensitivity for weak signal detection
- Integrated Surface Acoustic Wave (SAW) filters providing sharp frequency selectivity at 1090MHz and 978MHz with excellent out-of-band rejection, preventing intermodulation distortion and interference from nearby transmitters
- Simultaneous dual-frequency operation supporting both ADS-B (1090MHz) and UAT (978MHz) signals without switching or multiplexing, enabling comprehensive aircraft tracking across both primary surveillance radar bands
- Approximately 20dB of total cascaded gain enabling detection of aircraft at significantly extended ranges, typically 150-200+ nautical miles with optimal antenna configurations compared to 50-100 nautical miles with passive receivers
- Bias-T compatible design allowing power delivery through the same coaxial cable as the RF signal, simplifying installation and reducing cable clutter in field deployments
- Premium low-loss PCB construction with optimized impedance matching throughout the signal path, minimizing insertion losses and maintaining signal integrity across the frequency bands
Applications and Use Cases
- Flight tracking networks and ADS-B receiver stations for real-time aircraft monitoring, enabling hobbyists and enthusiasts to contribute to distributed flight tracking systems like FlightRadar24 and OpenSky Network with extended coverage areas
- Aviation research and academic institutions conducting aircraft traffic analysis, noise monitoring, and flight pattern studies requiring reliable long-range signal reception from multiple aircraft simultaneously
- Aerospace and defense applications including air traffic monitoring, airspace surveillance, and aircraft detection systems where sensitivity and selectivity are critical for operational effectiveness
- Emergency response and search-and-rescue operations requiring rapid aircraft location and tracking capabilities with maximum reception range and signal reliability in time-critical situations
- Software-defined radio (SDR) enthusiast projects and experimental aviation monitoring setups using RTL-SDR dongles or professional receivers, dramatically improving performance with minimal additional cost
- Remote airport monitoring and airfield surveillance systems where extended reception range eliminates the need for expensive professional-grade receivers while maintaining professional-level performance
How to Use
Installation of the SAWbird+ ADS-B is straightforward and requires minimal technical expertise. Connect the module between your antenna and SDR receiver using SMA coaxial cables, ensuring all connections are finger-tight to maintain proper impedance matching and prevent signal loss. If your receiver supports Bias-T power delivery, enable this feature in your software to provide power to the amplifier through the coaxial cable; alternatively, use an external Bias-T injector if your receiver lacks this capability. The module requires approximately 50-100mA of current at 4.5-5.5V DC, which is typically provided by standard Bias-T implementations or dedicated power supplies.
After physical installation, configure your ADS-B software (such as dump1090, readsb, or ADSB# depending on your platform) to recognize the improved signal reception. You should notice immediate improvements in aircraft detection range and signal quality, typically observing 20-40% increase in the number of detected aircraft and significantly improved message decode rates. For optimal performance, position your antenna in an elevated location with clear line-of-sight to the horizon, away from metal structures and electrical noise sources. The dual-channel design automatically handles both 1090MHz and 978MHz signals, so no additional configuration is required to receive both ADS-B and UAT traffic. Allow the module to warm up for 5-10 minutes after power-on to achieve stable noise figure performance.
Frequently Asked Questions
What is the difference between noise figure and gain, and why does noise figure matter for ADS-B reception?
Gain amplifies both the desired signal and background noise, while noise figure specifically measures how much additional noise the amplifier introduces relative to an ideal amplifier. For ADS-B reception, noise figure is critical because weak aircraft signals are often just barely above the receiver's noise floor; an amplifier with high noise figure will amplify the noise along with the signal, reducing the signal-to-noise ratio and limiting detection range. The SAWbird+ ADS-B's 0.6dB noise figure means it adds minimal noise to the system, allowing weak signals from distant aircraft to remain detectable above the amplified noise floor. This is why the SAWbird+ outperforms cheaper amplifiers with 2-3dB noise figures by 20-40% in practical reception range.
Can I use the SAWbird+ ADS-B with my existing RTL-SDR dongle, and will I need to modify my software?
Yes, the SAWbird+ ADS-B is fully compatible with all RTL-SDR dongles and most professional ADS-B receivers. No software modifications are required; simply connect the module between your antenna and receiver using SMA cables. Your existing ADS-B software (dump1090, readsb, ADSB#, etc.) will automatically benefit from the improved signal reception without any configuration changes. If your RTL-SDR dongle or receiver supports Bias-T power delivery, enable this feature in your software settings to power the amplifier; if not, use an external Bias-T injector. The performance improvement is immediate and transparent to your software.
What is the maximum gain and why doesn't the SAWbird+ ADS-B have even higher gain?
The SAWbird+ ADS-B provides approximately 20dB of total cascaded gain, which is carefully optimized for ADS-B applications. Higher gain would introduce several problems: increased noise amplification, potential amplifier saturation when receiving strong nearby signals (such as from aircraft at airports), and greater susceptibility to intermodulation distortion from multiple simultaneous signals. The 20dB gain level represents the optimal balance between sensitivity improvement and system stability. Additionally, excessive gain can cause the receiver's analog-to-digital converter to saturate, actually reducing the ability to detect weak signals in the presence of strong signals. Professional ADS-B systems use similar gain levels for this reason.
Does the SAWbird+ ADS-B work with both 1090MHz ADS-B and 978MHz UAT signals simultaneously?
Yes, the dual-channel design of the SAWbird+ ADS-B is specifically engineered to handle both 1090MHz ADS-B and 978MHz UAT signals simultaneously without switching or multiplexing. The integrated SAW filters are optimized for both frequency bands, and the cascaded amplification stages amplify both signals equally. This means you can receive both ADS-B and UAT traffic from aircraft simultaneously using a single module and receiver, providing more comprehensive aircraft tracking data. Many modern aircraft transmit on both frequencies, so simultaneous reception provides redundancy and improved data reliability.
When will I receive my order?
Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India. You will receive tracking information via email and SMS once your order is dispatched.
What is your return and warranty policy?
We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse. The SAWbird+ ADS-B is a precision electronic component; improper handling, incorrect power supply voltage, or damage from static discharge will void warranty coverage.
Buy Nooelec SAWbird+ ADS-B: Premium, Dual-Channel, Cascaded Ultra-Low Noise Amplifier (LNA) & Filter Module for Airplane Tracking Applications. 1090MHz (ADSB) and 978MHz (UAT) Center Frequencies Online in India
Purchase the Nooelec SAWbird+ ADS-B: Premium, Dual-Channel, Cascaded Ultra-Low Noise Amplifier (LNA) & Filter Module for Airplane Tracking Applications. 1090MHz (ADSB) and 978MHz (UAT) Center Frequencies online at The Tech Depot, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat.
Our team in Bengaluru is available 24/7 to support your journey from product selection to project completion.