ERDI TECH LTD presents the LDR40K3, a compact 1064nm laser rangefinder and designator module combining ≥40 mJ pulse energy with ranging and laser designation capabilities. Measuring 95 × 97 × 48mm and weighing ≤420 g, the module supports a ranging distance of ≥5 km and a designation range of ≥3.5 km. Designed for integration into electro-optical systems, it features precise laser coding, optical-axis stability of ≤0.05mrad, and an operating temperature range of −40°C to +60°C.