The KENWOOD TS-590S is a high-performance HF + 50 MHz all-mode base station transceiver engineered to deliver contest-grade receiver performance with stable 100W RF output. Designed around a 1st-IF down-conversion receiver system (1.8–21 MHz amateur bands), the TS-590S utilizes narrow bandwidth roofing filters (6 kHz / 2.7 kHz / 500 Hz) to improve adjacent signal rejection and minimize in-band intermodulation distortion in high-density RF environments.
The transceiver integrates a 32-bit floating-point DSP processing chain enabling advanced digital filtering including noise reduction, IF bandwidth control, contour filtering, and automatic notch filtering—enhancing signal intelligibility during weak-signal operation or under high-QRM conditions. Built-in USB and Serial COM interfaces support seamless integration with PC-based digital communication platforms without requiring external sound card interfaces.
Supporting SSB, CW, AM, FM, and FSK digital modes, and featuring a built-in automatic antenna tuner covering 160m through 6m amateur bands, the TS-590S is optimized for both voice and high-duty digital communication workflows including fixed-station HF gateway deployments and long-haul DX operation within the RFCharge HF base station lineup.
Key Features
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1st-IF Down-Conversion Receiver Architecture
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Up to 100W Adjustable RF Output Power
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32-Bit Floating-Point DSP Processing
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Built-In Roofing Filters (6 kHz / 2.7 kHz / 500 Hz)
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Integrated Automatic Antenna Tuner (160m – 6m)
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USB & Serial PC Connectivity
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Supports SSB / CW / AM / FM / FSK Digital Modes
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High Dynamic Range RF Front-End Design
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Optimized for Contesting & DX Operation
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Compact Base Station Form Factor
This positions the TS-590S within the RFCharge lineup as a reliable performance-oriented HF base platform for operators requiring strong adjacent-signal handling without migrating to SDR-class architectures.
