This is the large area detector chip version, which is dedicated to countries with low action level regulation.- All the features are like at the RSK type, except the followings.- Detector chip area 520 sq.mm; Scanned area from 150 to 355 sq.mm configurable.- Detector is assembled with Radosys RSF type diffusion chamber.- Applicable for both long-term and (80 days) and short-term (10 days) tests.