PCA9600 Differential I2C Long Cable Extender with Boost Convertor | Sandbox Electronics
I2C extender I2C buffer PoNetI2Cextender - Polabs
I2C Extender : BaseCam Electronics
Application Circuit for the P82B715 I2C-Bus Extender for I2C-Bus Extender Driving Twisted Pair Cables for Very Large Signal Distribution System - Datasheets.com
I2C Serial Port Adapter & Extender
Sandbox Electronics Active I2C Long Cable Extender P82B715 Module - Sensors & probes – Sensors & Probes