The Kenwood TS-430S is a classic, durable, all-mode (SSB, CW, AM, FM with option) 100-watt HF (160-10m) amateur radio transceiver from the 1980s, known for its reliability, dual VFOs, IF shift, notch filter, and solid-state design, making it a popular choice for base and mobile operators despite lacking modern features like CAT control, requiring optional filters for best performance, and needing occasional maintenance like relay contact cleaning or memory battery replacement due to age. Key Features & Specs: Modes: USB, LSB, CW, AM (receive only), FM (optional FM-430 unit). Power: 100W PEP on SSB/CW, 40W carrier AM, 120W FM (optional). Coverage: General coverage receive (150 kHz - 30 MHz), 160-10 meters transmit (incl. WARC bands). Controls: Dual VFOs, IF Shift, Notch Filter, RIT (Receiver Incremental Tuning), RF Attenuator, Memory Scan, RF Speech Processor. Technology: All solid-state, built-in cooling fan, digital AGC. Age/Condition: Vintage (mid-80s), often needs maintenance (relays, memory battery) but is very repairable with standard parts