Diplomatic Security Service
From The RadioReference Wiki
The Diplomatic Security Service, or DSS, is a division of the US Department of State. The DSS protects high-level diplomats when they visit the United States, except heads of state who are protected by the Secret Service. DSS also has investigative and administrative responsibilities. DSS frequencies have been observed in use at regional Passport Agency Offices.
Frequency Input Type Tone Ch. Description 409.5250 418.5250 RM 293 NAC Field Office Primary
Frequencies listed as in use nationwide except in the Washington DC area where they have different uses.
Frequency Input Type Tone Ch. Description 409.6250 407.2000 RM 151.4 PL 1/2 Primary - Commandpost/Motorcades 407.6000 M 151.4 PL 3 Secondary - Protection Agents
The State Department now uses P25 Digital transmissions. This has been verified in both NYC and Washington, DC. Also note that most of the DC transmissionas are also encrypted.
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