Check the listing for details. 2x - MicroRidge MobileCollect RS-232 V2 & Mini Mobile Module Transmitter 24679. Condition: Used. Listed at 49.99 USD. 2x - MicroRidge MobileCollect RS-232 V2 & Mini Mobile Module Transmitter 24679 1 - RS-232 Mobile Modules V21 - Mini Mobile Module These are "USED", but it appears that they were barely used and/or well taken care of. One device still has the protective cover on the end and came in a plastic bag that appears original. I don't know how to test these, but they appear to be in good condition. Please see pictures & ask questions (or request additional pictures if needed) BEFORE bidding. Let me know if you have any questions! -The item(s) pictured is/are the item(s) you will receive *GUARANTEED*- I do combine shipping on multiple purchases- I do upcycle (recycle) packaging when possible- I take excellent care of your purchases