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Description & Specification
820MHz to 980MHz Precision Sleeve Dipole SMA-Female Antenna
CTIA Compliant Reference Standard | High Radiation Efficiency | Model: SL-900-SF
The SL-900-SF is a high-precision Sleeve Dipole Reference Antenna professionally engineered and manufactured by Fei Teng Wireless Technology Co., Ltd. (FT-RF) in Taiwan. Operating across the dedicated 820 MHz to 980 MHz frequency band, it provides nominal gain ranging from -0.4 to 1.65 dBi with superior radiation efficiency between 78% and 98%. Fully compliant with CTIA OTA test requirements featuring an H-Plane ripple symmetry within ±0.1 dB and a maximum VSWR of 2.1:1, it features an overall mechanical envelope measuring 264.60 x 25.00 x 25.00 mm and weighs approximately 176.83 g. Equipped with a precision passivated stainless steel SMA-Female coaxial feed, this antenna serves as a reliable standard for OTA anechoic chamber calibration, wireless device certification, and precision dipole radiation measurements.
Technical Specifications
| Frequency Range | 820 - 980 MHz |
| Antenna Type | Precision Sleeve Dipole |
| Nominal Gain | -0.4 to 1.65 dBi |
| Radiation Efficiency | 78 to 98% |
| CTIA Specification | H-Plane ±0.1 dB |
| V.S.W.R (Max) | 2.1 : 1 |
| Radiation Pattern | Omnidirectional (H-Plane) |
| Impedance | 50 Ω |
| Connector Interface | SMA-Female (Stainless Steel) |
Mechanical & Physical Data
| Dimensions (L x W x H) | 264.60 x 25.00 x 25.00 mm |
| Antenna Weight (N.W) | 176.83 g |
| Body Material | Precision Machined Metallic Alloy |
| Sleeve Outer Diameter | Ø 25.00 mm / Base Section Ø 18.80 mm |
| Connector Material | Passivated Stainless Steel |
| Country of Origin | Taiwan |
Key Design & Feature Highlights
CTIA Standard Compliance
Meets strict CTIA OTA certification criteria with an exceptional H-plane symmetry of ±0.1 dB.
High Radiation Efficiency
Delivers superior radiation efficiency between 78% and 98% across the entire 820 to 980 MHz band.
Precision Sleeve Balun
Integrated symmetrical sleeve geometry prevents cable current leakage to produce ideal dipole patterns.
Taiwanese Precision
CNC machined from quality alloys in Taiwan with a passivated stainless steel SMA connector for repeatability.
Contact FT-RF Engineering Division
Contact our technical engineering division today to request official quotes or customized mounting solutions.
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