Up for sale are GE/Microwave Data Systems MDS-9810 Serial SCADA radios. These long range license free units are fully tested and are ready for your SCADA or telemetry application. See the full MDS-9810 specs at gegridsolutions.com. If you use the "Buy it Now" and include your SCADA radio system specs and I will program these units to your needs at no additional charge. I do not offer returns because these are electronic equipment but I do guarantee these units to be fully tested and to not be DOA. Ask for quantity discounts or make offer.