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Description & Specification
SL-1800-SF Precision Sleeve Dipole Antenna
1650 - 1950 MHz | 2.15 dBi Reference Gain | CTIA Compliant
The SL-1800-SF is a high-performance Precision Sleeve Dipole Antenna manufactured by FT-RF in Taiwan. Designed for the 1650 MHz to 1950 MHz frequency range, this antenna serves as a critical reference standard for gain calibration, antenna efficiency testing, and chamber reflectivity evaluation. Its advanced sleeve dipole design eliminates feed point interference, ensuring superior measurement accuracy. Fully compliant with CTIA symmetry requirements (ripple test), the SL-1800-SF is built for rigorous laboratory and industrial applications.
Technical Specifications
Electrical Specifications
| Frequency Range | 1650 MHz to 1950 MHz |
| Gain | 2.15 dBi (± 1 dBi) |
| V.S.W.R | Max 3.0:1 (1.5:1 @ 1750-1850 MHz) |
| Symmetry (Ripple Test) | < 0.1 dB (1700-1950 MHz) / < 0.15 dB (1650-1695 MHz) |
| Antenna Type | Collinear / Sleeve Dipole (1/4 Wavelength) |
| Radiation Pattern | Omni-Directional |
| Polarization | Vertical |
| Beamwidth | Vertical: 68° | Horizontal: 360° |
| Maximum Power | 150 Watts |
| Impedance | 50 Ohm |
Mechanical & Environmental Specifications
| Dimensions | 215 x 26 x 26 mm (Length x Diameter) |
| Weight | 140 g (Antenna) / 60 g (Accessories) |
| Connector | SMA-Female (Standard) / N-Female (Optional) |
| Internal Material | Copper |
| Radome Material | Fiberglass |
| Mounting Style | Round 19mm / Hollow 13mm (Acrylic) |
| Application | Indoor / Outdoor (No Wind Survival Rating) |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -20°C to +80°C |
| Operating Humidity | 10% ~ 90% (non-condensing) |
| Compliance | CE, FCC, RoHS, CTIA |
Key Features
Precision Reference
Engineered for gain reference and chamber reflectivity evaluation with a stable 2.15 dBi output.
CTIA Symmetry Compliant
Meets strict CTIA ripple test standards with symmetry deviations as low as 0.1 dB.
Interference-Free Design
Sleeve dipole construction prevents cable and feed point contacts from impacting measurement accuracy.
High Power Handling
Supports up to 150 Watts of power while maintaining consistent Omni-directional radiation.
Taiwan Made Quality
Designed and manufactured by FT-RF in Taiwan, ensuring superior performance and durability.
Get a Quote / Customization
Contact us for custom connector options (N-Female) or bulk orders.
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| Frequency Range: | 400 MHz - 550 MHz |
| Antenna Type: | Omnidirectional UHF |
| Nominal Gain: | 2.15 dBi ± 1 dBi |
| Connector Port: | SMA-Female |
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| Frequency Range: | 400 - 600 MHz |
| Antenna Type: | Omnidirectional Fiberglass |
| Nominal Gain: | 2.15 dBi ± 1 dBi |
| Connector Port: | SMA-F / N-F |
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| Frequency Range: | 600 MHz - 800 MHz |
| Antenna Type: | Omnidirectional Fiberglass |
| Nominal Gain: | 2.15 dBi ± 1 dBi |
| Connector Port: | SMA-Female Interface |
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| Frequency Range: | 700 - 900 MHz |
| Antenna Type: | Omnidirectional Fiberglass |
| Nominal Gain: | 2.15 dBi ± 1 dBi |
| Connector Port: | SMA-F / N-F |
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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 |
Made in Taiwan
| Frequency Range: | 1.075 - 1.375 GHz |
| Antenna Type: | Omnidirectional Fiberglass |
| Nominal Gain: | 2.15 dBi |
| Connector Port: | SMA-Female Interface |
Made in Taiwan
| 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 |
Made in Taiwan
| 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: | 1895 - 2195 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: | 1995 - 2295 MHz |
| Antenna Type: | Omnidirectional Fiberglass |
| Nominal Gain: | 2.15 dBi ± 1 dBi |
| Connector Port: | SMA-F / N-F Selectable |
Made in Taiwan
| Frequency Range: | 2300 - 2600 MHz |
| Antenna Type: | Omnidirectional Fiberglass |
| Nominal Gain: | 2.15 dBi ± 1 dBi |
| Connector Port: | SMA-Female Interface |
Made in Taiwan
| Frequency Range: | 2450 - 2750 MHz |
| Antenna Type: | Omnidirectional Fiberglass |
| Nominal Gain: | 2.15 dBi ± 1 dBi |
| Connector Select: | SMA-F (Custom N-F) |
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| Frequency Range: | 3000 - 3300 MHz |
| Antenna Type: | Omnidirectional Fiberglass |
| Nominal Gain: | 2.15 dBi ± 1 dBi |
| Connector Port: | SMA-F (N-F Custom) |
📐 Drawings & 📄 Datasheet Pending
Made in Taiwan
| Frequency Range: | 3450 - 3800 MHz |
| Antenna Type: | Omnidirectional Fiberglass |
| Nominal Gain: | 2.15 dBi ± 1 dBi |
| Connector Port: | SMA-F (N-F Custom) |
Made in Taiwan
| 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 |
| Connector Port: | SMA-F (N-F Custom) |
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| Frequency Range: | 4900 - 5400 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: | 5400 - 5600 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: | 5400 - 5900 MHz |
| Antenna Type: | Omnidirectional Fiberglass |
| Nominal Gain: | 2.15 dBi ± 1 dBi |
| Connector Port: | SMA-F (N-F Custom) |
