First production run of 108 pieces of TeleDongle v0.2 by
[Advanced Circuits](http://4pcb.com), received 2010.02.25.
+## sn 208-261 ##
+
+First production run of 54 pieces of TeleMetrum v1.0 by
+[Advanced Circuits](http://4pcb.com), received 2010.04.08.
+