400 MHz to 600 MHz SMA-Female Precision Sleeve Dipole Antenna

Model No: SL-500-SF

Made in Taiwan
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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UHF Precision Sleeve Dipole Antenna

Model: SL-500-SF | 400 MHz - 600 MHz | Calibration Reference Grade
The SL-500-SF is a laboratory-standard Reference Antenna specifically designed for OTA (Over-The-Air) testing and range calibration within the 400 MHz to 600 MHz band. Engineered for superior symmetry and stability, it serves as the definitive reference for gain measurements and chamber reflectivity evaluation. Its specialized sleeve design isolates the feed cable from the radiator, preventing pattern distortion and ensuring the Signal Integrity required for mission-critical CTIA ripple test compliance.
Technical Specifications
Frequency Range 400 MHz to 600 MHz
Nominal Gain 2.15 dBi ± 1 dBi
Antenna Type Precision Sleeve Dipole (Omnidirectional)
Radiation Symmetry ± 0.1 dB (CTIA Requirement)
Dimensions 560 x 32 x 32 mm
Net Weight (N.W.) 380 g
Connector Interface SMA-Female (Standard) / N-Female (Custom)
Key Tactical & Lab Features

CTIA Symmetry Dominance

Meets strict +/- 0.1 dB symmetry standards, providing the high-level precision necessary for ripple test measurements and calibration certification.

Superior Cable Isolation

The sleeve balun architecture avoids feed point and cable contact interference, ensuring radiation effectiveness remains predictably constant.

Range Calibration Reference

Optimized as a low-gain efficiency reference for evaluating chamber reflectivity and calibrating tactical UHF monitoring systems.

Industrial Grade Construction

Combines a lightweight 380g build with a rugged, professional design suitable for permanent mounting in anechoic test facilities.

Get a Quote / Custom RF Solutions

Contact our engineering team for full calibration data, VSWR plots, or customized N-Type connector configurations.