Interesting products:

http://www.bosch-motorsport.de/en/sensoren/sensor7.shtm

Page 1-2 Lambda Sensor Mini-LSU 4.9
Page 3 the AWS_LSU 4.9 (Sampling rate 100 Hz per channel).
http://www.bosch-motorsport.de/en/se.../MiniLSU49.pdf

Luciano