The SW16AD-20 covers the frequency range of 0.5 - 4 GHz, while our complete range of open versions covers a frequency range up to 18 GHz. Any Pulsar model can be customized to suit your specific performance or packaging requirements, with almost no additional cost involved. Pulsar has passed ISO-9001 certification and is registered with ITAR. It complies with RoHS standards, but can be used for military and other applications upon request.