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Description & Specification
SL-3500-SF Precision Reference Antenna
5G NR Reference Grade Radiator | CTIA Symmetry Compliant | 3450 MHz – 3800 MHz
The SL-3500-SF is a laboratory-standard Precision Sleeve Dipole Antenna specifically engineered for OTA (Over-the-Air) performance validation and 5G mid-band anechoic chamber calibration. Engineered to satisfy strict CTIA ± 0.1 dB symmetry compliance standards, this premium reference radiator ensures that the omnidirectional radiation pattern remains exceptionally uniform for highly accurate ripple test measurements. Its specialized structural sleeve balun isolates the feedpoint from cable-induced surface waves and interference, guaranteeing the strict Signal Integrity required for professional gain references, low-gain antenna efficiency characterization, and electronic shielding evaluations. Developed and precision-machined in Taiwan, it serves as an indispensable reference standard for high-fidelity 5G wireless test facilities.
RF & Calibration Performance
| Frequency Range | 3450 MHz to 3800 MHz (5G NR Mid-Band / Sub-6GHz) |
| Nominal Gain | 2.15 dBi ± 1 dBi |
| Pattern Symmetry | ± 0.1 dB (CTIA Symmetry Compliant) |
| Antenna Radiator Type | Sleeve Dipole (Reference Grade Standard) |
Mechanical & Hardware Data
| Standard Coaxial Connector | SMA-Female (Premium Interface) |
| Custom Connector Interface | N-Female Interface Option Available Upon Request |
| Dimensions (Length x Diameter) | 145 x 26 mm |
| Net Weight (N.W.) | 100 g (Ultra-Lightweight Profile) |
| Manufacturing Origin | Taiwan Design & Manufactured (FT-RF) |
CTIA Symmetry Precision
Engineered to satisfy rigorous ± 0.1 dB symmetry protocols, providing world-class electromechanical stability for OTA chamber reflectivity evaluation and advanced spatial ripple tests.
Feed Point Contact Isolation
The specialized sleeve choke configuration prevents the feed cable from interacting with the antenna aperture elements, ensuring a completely unperturbed, symmetric toroidal radiation pattern.
Taiwanese Engineering Excellence
Precision designed and manufactured in Taiwan under strict quality control standards, ensuring structural uniformity, concentric alignment, and reliable phase center calibration.
Reference Grade Dominance
Serves as a reliable low-gain gain reference and absolute efficiency standard for calibrating 5G NR/Sub-6GHz network simulation platforms and precision monitoring receivers.
Get a Quote / Custom RF Calibration
Contact our technical engineering team to obtain certified anechoic calibration data sheets, specific V.S.W.R plot metrics, or specialized fiber-optic mount adapters for your testing facility.
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| Frequency Range: | 700 - 900 MHz |
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| Frequency Range: | 820 MHz - 980 MHz |
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| Frequency Range: | 1995 - 2295 MHz |
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| Frequency Range: | 3000 - 3300 MHz |
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| Frequency Range: | 5400 - 5600 MHz |
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| Nominal Gain: | 2.15 dBi ± 1 dBi |
| Connector Port: | SMA-F / N-F Selectable |
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| Frequency Range: | 5400 - 5900 MHz |
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