The Department of Homeland Security (DHS) Science and Technology (S&T) branch, Borders and Maritime Security Division, has released a Request for Information (RFI) on the availability and maturity of existing radio frequency sensor technologies for through-the-wall detection of humans or human activity. The technology sought is expected to be part of a system that will consist of any necessary sensor devices, communications and processing hardware/software, and the capability to display the detection information on a stand- alone computer or integrate it with an existing graphical user interface. Sol. No. OPO-10-00000-RFI-RFS. Respond by Dec. 11. Contact: Alua Abera, contract specialist, 202-254- 6896, [email protected].