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400 MHz to 550 MHz Precision Sleeve Dipole Antenna, SMA-Female Connector
FT-RF Horn Antenna
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Description & Specification
UHF Precision Sleeve Dipole Antenna
Model: SL-450-SF | 400 MHz - 550 MHz | Gain Reference Radiator
The SL-450-SF is a laboratory-grade Precision Sleeve Dipole designed for anechoic chamber calibration and OTA (Over-The-Air) testing. Engineered to provide a stable 2.15 dBi gain reference, it features high radiation symmetry and a specialized sleeve balun that isolates the radiator from the feed cable. This ensures the radiation pattern remains unaffected by nearby metallic objects or cables, making it the primary choice for professional Signal Defense range calibration and CTIA ripple test measurements.
Technical Specifications
| Frequency Range | 400 MHz to 550 MHz |
| Nominal Gain | 2.15 dBi ± 1 dBi |
| Radiation Symmetry | ± 0.1 dB (CTIA Compliance) |
| Antenna Type | Sleeve Dipole (Reference Grade) |
| Dimensions (Length x Diameter) | 560 x 32 mm |
| Net Weight (N.W.) | 380 g |
| Standard Connector | SMA-Female (N-Female Available) |
Key Tactical & Lab Features
CTIA Symmetry Precision
Meets the rigorous +/- 0.1 dB symmetry requirements, providing the necessary accuracy for ripple test measurements and chamber reflectivity evaluation.
Cable Isolation Design
The sleeve dipole structure prevents feedpoint interference, ensuring that the antenna's effectiveness is not compromised by cable contact.
Gain Reference Dominance
Serves as a reliable low-gain antenna efficiency reference for calibrating high-frequency test ranges and tactical monitoring sub-systems.
Lightweight Structural Rigidity
Weighing only 380g with a sleek 32mm diameter, it allows for easy mounting on precision positioning systems and fiber-optic towers.
Get a Quote / Calibration Support
Contact our engineering team for full VSWR plots, custom N-Type connectors, or specialized frequency centering within the UHF band.
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| Frequency Range: | 400 - 600 MHz |
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| Nominal Gain: | 2.15 dBi ± 1 dBi |
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| Frequency Range: | 600 MHz - 800 MHz |
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| Nominal Gain: | 2.15 dBi ± 1 dBi |
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| Frequency Range: | 700 - 900 MHz |
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| Frequency Range: | 820 MHz - 980 MHz |
| Antenna Type: | Omnidirectional (V2) |
| Nominal Gain: | 2.15 dBi ± 1 dBi |
| Connector Select: | SMA-F / N-F |
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| Frequency Range: | 1.075 - 1.375 GHz |
| Antenna Type: | Omnidirectional Fiberglass |
| Nominal Gain: | 2.15 dBi |
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| Frequency Range: | 1.4 GHz - 1.7 GHz |
| Antenna Type: | Precision Sleeve Dipole |
| Nominal Gain: | 2.15 dBi |
| Connector Port: | SMA-F / N-F Selectable |
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| Frequency Range: | 1550 - 1850 MHz |
| Antenna Type: | Omnidirectional Fiberglass |
| Nominal Gain: | 2.15 dBi ± 1 dBi |
| Connector Port: | SMA-Female Interface |
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| Frequency Range: | 1.65 - 1.95 GHz |
| Antenna Type: | Omnidirectional Fiberglass |
| Nominal Gain: | 2.15 dBi |
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| Frequency Range: | 1895 - 2195 MHz |
| Antenna Type: | Omnidirectional Fiberglass |
| Nominal Gain: | 2.15 dBi ± 1 dBi |
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| Frequency Range: | 1995 - 2295 MHz |
| Antenna Type: | Omnidirectional Fiberglass |
| Nominal Gain: | 2.15 dBi ± 1 dBi |
| Connector Port: | SMA-F / N-F Selectable |
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| Frequency Range: | 2300 - 2600 MHz |
| Antenna Type: | Omnidirectional Fiberglass |
| Nominal Gain: | 2.15 dBi ± 1 dBi |
| Connector Port: | SMA-Female Interface |
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| Frequency Range: | 2450 - 2750 MHz |
| Antenna Type: | Omnidirectional Fiberglass |
| Nominal Gain: | 2.15 dBi ± 1 dBi |
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| Frequency Range: | 3000 - 3300 MHz |
| Antenna Type: | Omnidirectional Fiberglass |
| Nominal Gain: | 2.15 dBi ± 1 dBi |
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📐 Drawings & 📄 Datasheet Pending
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| Frequency Range: | 3450 - 3800 MHz |
| Antenna Type: | Omnidirectional Fiberglass |
| Nominal Gain: | 2.15 dBi ± 1 dBi |
| Connector Port: | SMA-F (N-F Custom) |
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| Frequency Range: | 3500 - 3700 MHz |
| Antenna Type: | Omnidirectional Fiberglass |
| Nominal Gain: | 2.15 dBi ± 1 dBi |
| Connector Port: | SMA-F (N-F Custom) |
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| Frequency Range: | 3800 - 4200 MHz |
| Antenna Type: | Omnidirectional Fiberglass |
| Nominal Gain: | 2.15 dBi ± 1 dBi |
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| Frequency Range: | 4900 - 5400 MHz |
| Antenna Type: | Omnidirectional Fiberglass |
| Nominal Gain: | 2.15 dBi ± 1 dBi |
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| Frequency Range: | 5400 - 5600 MHz |
| Antenna Type: | Omnidirectional Fiberglass |
| Nominal Gain: | 2.15 dBi ± 1 dBi |
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| Frequency Range: | 5400 - 5900 MHz |
| Antenna Type: | Omnidirectional Fiberglass |
| Nominal Gain: | 2.15 dBi ± 1 dBi |
| Connector Port: | SMA-F (N-F Custom) |
