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CAT control and logging software project especially developed for the YAESU FT-857 transceiver. Full control of the trcvr, EEPROM modification, VoIP, TCP/IP remote control, macro CW keyer, visual band scope

Here is a serial control (CAT) cable that plugs into the FT-857's microphone jack, freeing the CAT/Linear jack for other purposes.

FT857 and FT897 Interface PCB and schematic

Free windows basic and simple CAT program specifically for the Yaesu FT-857 radio. It provides an unlimited memory storage area which resides on the client side.

Rigpix database pictures and specifications of Yaesu FT-857

This webpage describe how to set up the Signalink USB interface and Yaesu FT-857D for digital operations by NA4IT

Yaesu FT857D No TX Audio, video on reparing and yaesu Mic modification, with audio improvements for SSB and FM

How to replace IF filters on a Yaesu FT 857. This document explains how to desolder old deteriorated filters and replace with brand new ones.

This page contains draft of USB CAT interface for Yaesu 8x7 (817, 847, 897). Tested with FT857 by OK1USW.

Repairing a non-functional Yaesu FT857 by identifying and replacing two damaged components crucial for powering the device. Using discrete components, author constructed replacements for the DAN222 and RT1N241 ICs, successfully restoring the rig's functionality. This DIY approach not only fixed the issue but also provided a satisfying and cost-effective solution