Trust Tek for performance you can rely on and industry-leading service and support. Broad wavelength response 500 to 950nm or 1100 to 1700nm, high bandwidth DC to 1.2GHz, high gain, 1V/mW low noise <11pW/√Hz probe connected to DPO7000*1 and DPO/DSA/MSO70000*2 series SONET/SDH and fiber channel reference receivers