| Channel | Designation |
| 1 | BAKER |
| 2 | CHARLIE |
| 3 | MIKE |
| 4 | TANGO |
| 5 | OSCAR |
| 6 | PAPA |
| 7 | BAKER REPEATER (165.7875/164.4000) |
| 8 | CHARLIE REPEATER (165.3750/166.4000) |
| Alpha | 32.2300 | WHCA-Transportation (vans) (possible DC base) |
| Baker | 165.7875 | USSS-Field Offices, President/VP/VIP security |
| Charlie | 165.3750 | USSS-Field Offices/Protection, command post coordination (Nationwide Primary) |
| Delta | 169.9250 | WHCA-Marine Security Detachment, vans |
| Echo | 407.8500 | WHCA-SAM Uplink (Air Force 1 phone patch ground uplink) |
| Foxtrot | 415.7000 | WHCA-SAM Downlink (Air Force 1 phone patch aircraft downlink) |
| Golf | 166.4000 | USSS-Field Offices |
| 165.7625 | Input to 165.3750 repeaters | |
| Hotel | 167.9000 | WHCA-V.P. Staff/White House Garage |
| 165.6875 | ||
| 166.2125 | President/VP Security | |
| India | 407.9250 | USSS-Headquarters (Treasury Security Force) |
| 166.2000 | ||
| Juliet | 170.0000 | USSS-Paging/Camp David |
| Kilo | 167.8250 | Duplex Phone-Pres Res/LBJ, WHCA |
| Lima | 168.7875 | Duplex Phone-Pres Res/LBJ, WHCA (voice scramblers) |
| Lavender | 418.1250 | WHCA-Transportation |
| Mike | 165.2125 | USSS-Dignitary/Former Pres Protection, Counterfeit Division |
| November | 166.7000 | WHCA-White House Staff |
| Oscar | 164.8875 | USSS-Presidential Protection Division (PPD), WHCA |
| Papa | 164.4000 | USSS-Field Offices/Protection, input to 165.2125 repeaters |
| Quebec | --- | |
| Romeo | 166.4000 | Input to 165.7875 repeaters |
| 164.4000 | USSS-Repeater Outputs | |
| Sierra | 166.5125 | WHCA-White House Staff |
| Tango | 164.6500 | USSS-Field Offices/Protection, Presidential/VP Security |
| Uniform | 361.6000 | AF-1 Communications |
| 165.0875 | ||
| Victor | 164.1000 | WHCA, Presidential/VP Protection |
| Whiskey | 167.0250 | WHCA-Paging |
| X-ray | ******** | SEE BELOW |
| Yankee | 162.6875 | WHCA-Presidential phone uplink or downlink |
| Zulu | 171.2875 | WHCA-Presidential phone downlink or uplink |
X-ray is the reserve frequency pool and is not Treasury Common. Frequencies here are used whenever a new frequency is needed.
164.7500
164.8000
165.2625
165.3375
165.4125
165.5125
165.6500
165.6875
165.8500
165.9000
166.0500
166.2000
166.5625
166.5875
166.6375
166.8000
167.9000
The most active frequencies used before and during a presidential or vice presidential visit are Baker, Charlie, Mike, and Tango, as well as any channel designated for use by the WHCA. The frequency used most as a nationwide primary repeater channel is Charlie, followed by Baker. Former presidents' security use Mike. Oscar is used for presidential protection nationwide and Papa is used for White House perimeter patrols.
| Transport | 46.7500 |
| Transport | 375.0000 |
| VIP Transport Net | 34.3500 |
| Command Post | 142.7500 |
| Squadron Common | 265.8000 |
| USMC helicopters | 46.7000, 46.7500, 46.8000, 122.8500, 375.0000 |
| Nationwide-2 | 407.4750 | uplink |
| Nationwide-2 | 415.8000 | downlink |
| Limousines (Local/DC) | 407.4500 | duplex |
| Limousines (Local/DC) | 408.2000 | duplex |
| Gray | 418.3500/407.7500 | White House |
| Orange | 418.7750/414.9500 | White House |
| Brown | 414.8500/418.8000 | Foreign Missions |
| Red | 415.9750/419.7250 | Foreign Missions |
| Silver | 415.6500/419.1000 | Foreign Missions |
| Yellow | 414.6750/418.1500, 415.9500 WHCA ("Boardwalk") | Foreign Missions Patrol Primary |
| Green | 415.7500/407.8750 | |
| Black | 415.1000/418.3250 | |
| Blue | 414.8000 | |
| Violet | 415.8000 | |
| Communications Division: | ||
| Gold | 415.6750/419.0750 | |
| Other: | ||
| Lavender | 418.1250 | WHCA Transportation |
| White | 407.6750 |
| F-1 | 408.0000 |
| F-2 | 411.0000 |
| F-3 | 408.5000 |
| F-4 | 408.9750 |
NOTES: Frequencies in 407 Mhz band are used for agents' body radios with "wristwatch" microphones.
WHCA stands for White House Communications Agency.
The PL used by the Secret Service is 103.5 Hz.
The above info was gathered from several sources. Not all sources agreed on the same frequencies.