The Ebyte TX1090-BLG-55 and TX1400-BLG-26 series is an industrial-grade omnidirectional outdoor fiberglass antenna engineered for 1090MHz (ADS-B / Avionics) and 1400MHz RF communications, delivering high gain (3.5dBi to 5dBi) with 50Ω impedance and low ≤1.5 VSWR via a standard N-Male (N-J) connector, featuring IP67 waterproof, UV-proof, and wind-resistant fiberglass radome housing for wireless base stations, IoT gateways, ADS-B receivers, and high-reliability telemetry systems.
Key Features & Advantages
- Dedicated Frequencies (1090MHz ADS-B & 1400MHz Wireless Band): Custom-tuned for 1090MHz (1070~1110MHz) aviation surveillance/ADS-B flight tracking and 1400MHz (1160~1600MHz) specialized wireless data communication bands, ensuring minimal out-of-band attenuation.
- Ultra-Low VSWR (≤ 1.5) & High Peak Gain: Engineered with multi-element stacked brass resonators to deliver low ≤1.5 VSWR and uniform 360-degree omnidirectional radiation (5dBi @ 550mm, 3.5dBi @ 260mm), maximizing RF transmission efficiency and receiver sensitivity.
- Heavy-Duty Weatherproof Fiberglass (FRP) Radome: Encapsulated in reinforced fiberglass composite with high tensile strength, UV-aging resistance, wind resistance, and IP67 hermetic sealing to withstand extreme outdoor weather and corrosive coastal environments.
- Standard N-Male (N-J) Interface & High Power Handling: Features a heavy-duty nickel-plated brass N-J connector supporting 50W (1400MHz model) and up to 100W (1090MHz model) power capacity for continuous commercial and industrial broadcasting.
- Wide Operating Temperature (-40°C to +85°C): Built for industrial resilience across high-altitude air monitoring towers, marine platforms, and severe desert conditions.
Core Specifications
| Parameter | Specification Details |
|---|---|
| Center Frequency | 1090 MHz (TX1090-BLG-55) / 1400 MHz (TX1400-BLG-26) |
| Frequency Range | 1070 ~ 1110 MHz (1090MHz) / 1160 ~ 1600 MHz (1400MHz) |
| Antenna Gain | 5 dBi (TX1090-BLG-55) / 3.5 dBi (TX1400-BLG-26) |
| Voltage Standing Wave Ratio (VSWR) | ≤ 1.5 |
| Radiation Pattern & Polarization | Omnidirectional (360° Horizontal Beamwidth) / Vertical Polarization |
| Input Impedance | 50 Ω |
| Max Power Handling | 100 Watts (TX1090-BLG-55) / 50 Watts (TX1400-BLG-26) |
| Connector Type | N-J (N-Type Male) |
| Antenna Dimensions | 550mm × Φ20mm (TX1090-BLG-55) / 260mm × Φ20mm (TX1400-BLG-26) |
| Radome Material | High-Strength Fiberglass (FRP Composite) |
| Operating Temperature | -40°C to +85°C |
Product Selection Guide
Notice for Selection: Please select between the 1090MHz (550mm, 5dBi) model for ADS-B avionics tracking and the 1400MHz (260mm, 3.5dBi) model for 1.4GHz telemetry systems.
| Model (SKU) | Center Frequency | Frequency Range | Peak Gain | Length | Power Handling | Primary Target Application |
|---|---|---|---|---|---|---|
| TX1090-BLG-55 | 1090 MHz | 1070 ~ 1110 MHz | 5 dBi | 550 mm | 100 W | ADS-B Flight Tracking, Airport Ground Receivers, Avionics Telemetry |
| TX1400-BLG-26 | 1400 MHz | 1160 ~ 1600 MHz | 3.5 dBi | 260 mm | 50 W | 1.4GHz Specialized Wireless Data Radios, IoT Gateways, Base Stations |
Industrial Installation & Wiring
The TX1090-BLG-55 and TX1400-BLG-26 fiberglass antennas are engineered for rooftop mast, tower, or bracket deployments:
- RF Connector Mating: Thread the precision N-J (N-Male) connector onto a standard N-K (N-Female) bulkhead or low-loss 50 Ω coaxial cable (e.g., LMR-400, RG-58, or 50-5 feeder). Secure firmly and apply outdoor waterproof sealing tape.
- Mounting Orientation: Mount the antenna vertically to ensure proper vertical polarization and 360-degree omnidirectional horizontal radiation pattern.
- Mast & Tower Clearance: For maximum ADS-B range or 1.4GHz link distance, position the antenna at the top of the mounting mast with 360-degree unobstructed line-of-sight to the horizon.
- Lightning Protection: For rooftop or outdoor tower deployments, an in-line 50 Ω N-type gas tube surge arrestor grounded to the building earth ground is highly recommended.
Practical Application Scenarios
1. ADS-B Ground Station Flight Tracking & Avionics Telemetry (1090MHz)
Mounted on rooftop receiver stations to capture 1090MHz Extended Squitter signals from commercial and private aircraft, feeding real-time positional data into flight tracking networks (FlightAware, Flightradar24, ADS-B Exchange) with long-distance line-of-sight reception.
2. 1.4GHz Specialized Industrial Wireless Video & Telemetry Links (1400MHz)
Deploys on 1.4GHz private network base stations, drone video downlink ground receivers, and industrial telemetry systems requiring high-reliability data exchange with minimal interference from crowded 2.4GHz Wi-Fi bands.
3. Smart Grid & Pipeline SCADA Telemetry Gateways
Provides robust RF coverage for wireless serial radios and remote telemetry units (RTUs) across oilfields, water conservancy dams, and power distribution stations.
4. Marine Coastal & Offshore Environmental Monitoring Stations
The corrosion-resistant fiberglass composite housing withstands heavy marine salt spray, coastal humidity, and gale-force winds on maritime monitoring buoys and lighthouse installations.
FAQ Section
1. What are the primary applications of the 1090MHz and 1400MHz frequencies?
The 1090MHz model (TX1090-BLG-55) is specifically tuned for aviation ADS-B transponder tracking and aircraft telemetry. The 1400MHz model (TX1400-BLG-26) operates across the 1.4GHz specialized industrial wireless data transmission band (1160~1600MHz), widely used for private IoT data links, UAV telemetry, and video broadcasting.
2. Why is low VSWR (≤ 1.5) crucial for ADS-B reception and RF transmission?
A low VSWR of ≤1.5 indicates excellent 50 Ω impedance matching. For ADS-B receivers, it ensures maximum RF signal energy reaches the SDR tuner without reflection losses, dramatically increasing the message reception rate and maximum flight detection range.
3. How do I connect this antenna to SDR dongles or SMA radio devices?
The antenna is equipped with a standard N-J (N-Male) connector. You can connect it to SMA-equipped SDR receivers (such as RTL-SDR, FlightAware Pro Stick) or industrial wireless DTUs using a low-loss N-Female to SMA-Male (N-K to SMA-J) coaxial jumper cable.
4. Does the antenna require lightning protection when installed outdoors?
Yes. For elevated rooftop or tower installations exposed to direct lightning risk, installing an in-line 50 Ω N-type lightning surge protector between the antenna and feeder cable with proper low-impedance earth grounding is strongly recommended.
