18-pin SIP module. Most popular option. Ideal for higher quantity usage and for customers that already have a development board (ex: Super Carrier Board). This module is industrial-rated. Smallest size for small applications.

Price: € 23,20 (€ 27,61 incl.VAT) 

BS1 Serial Adapter    € 3,96 (€ 4,71 incl.VAT)