How can I read the production date of the PCD7.L1xx, L2xx, L3xx, L4xx, L5xx modules?
On the back side of the module you find a stamp which such a code, for example: 51R 2.2. The meaning is 51st week of 2003 firmeware version 2.2. See below the year code:
PCD7 / Lxxx
Last update: 06.04.2015 13:59
First release: 01.04.2008 12:33