Kenwood TS-870S: User Guides, Modifications, and Software

Find essential resources for the Kenwood TS-870S, including technical specifications, operational notes, and performance enhancements.

David
Reviewed by • Senior RF Engineer & Technical Editor March 2026

The Kenwood TS-870S is a classic HF transceiver, well-regarded by many operators for its digital signal processing (DSP) capabilities. Introduced in the late 1990s, this rig was a significant step forward in amateur radio technology, offering advanced filtering and noise reduction that improved signal clarity on crowded bands. Many hams still use the TS-870S for everyday QSOs, DX chasing, and contesting, appreciating its robust build and audio quality.

Operators often seek out modifications to enhance the TS-870S, ranging from audio input adjustments to general performance improvements. Resources in this category provide detailed specifications and reviews, helping hams understand the transceiver's capabilities. There are also software tools, like Kenwood Smart Memory (KSM), designed to manage memory channels for the TS-870S and other Kenwood radios, streamlining station setup and operation.

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