SECRET SERVICE White House Communications Agency VHF/UHF Circuits CHANNEL FREQUENCY USE able 32.230 WHCA, DC area, Camp David link baker 165.7875 Surveillance, DC F.O. charlie 165.375 (165.9) Field Offices, WH Detail delta 169.925 WH Messengers echo 407.850 WHCA, AF1 r/t ground (uplink) foxtrot 415.700 WHCA, AF1 r/t aircraft (downlink) golf 166.400 Repeater rx hotel 166.2125 WH Police india 407.925 Treasury Guard Force juliette 170.000 WHCA, Camp David Paging Systems kilo 167.825 WHCA Staff, FBI lima 168.7875 WHCA Staff mike 165.2125 Ex-President Detail november 167.025 WHCA, Press Office oscar 164.8875 PPD papa 164.400 PID quebec 166.700 WHCA Key Staff romeo Repeater (charlie out/golf in) sierra 169.5125 WH Staff, Garage tango 164.650 VPPD victor 164.100 USSS, US Customs xray 166.4625 Treasury Common yankee 162.6875 WHCA, USSS AF1 r/t ground (uplink) zulu 171.2875 WHCA, USSS AF1 r/t aircraft (downlink) gray 407.750 WHCA, Presidential Intercom (primary) white 407.675 WHCA, Presidential Intercom (secondary) 34.070 VP Staff 169.6125 State Department 164.750 Detroit F.O. 165.515 (166.490) 164.800 (165.870?) FAA, NPS, also 164.650 (166.640) 165.340 165.865 DC F.O. 406.425 Presidential Back-up 417.750 Presidential Back-up one 414.950 PPD two 414.675 PPD three 414.850 PPD four 414.975 PPD 46.700 NIGHTHAWK Helo's 46.750 NIGHTHAWK Helo's 375.000 WH Helipad Ops 407.425 WHCA, USSS Mobile CP 415.750 USSS Phone Patch Circuit 172.360 WH PBX 172.395 WH PBX 172.425 WH PBX 162.850 WH Ops 165.925 WH Ops 406.000 USSS 407.850 USSS 415.450 USSS 415.700 USSS 415.950 USSS 406.250 USSS Escort Radio Configuration 1 Charlie 2 Baker 3 Mike 4 Tango 5 Oscar Secondary Repeaters 163.365 165.860 163.400 166.340 163.815 166.615 164.800 168.220 165.515 168.400 165.675 168.450 165.685 168.575