The MBTA/Keolis uses standard AAR frequencies for its Commuter Rail operations. All radios used are NXDN-compatible, but no NXDN channels are used at this time on the network
NEC/Providence Line: South Station-Back Bay-Providence-Division Post (Metro North)
AAR 54 (160.920 MHz)
Needham Line: Forest Hills-Needham Heights - CP Land
Stoughton Branch: Canton JCT.-Stoughton
AAR 54 (160.920 MHz)
Middleborough Main Line: Fort Point Channel Bridge-Pearl-Middleboro/Lakeville
Greenbush Line: Green-Greenbush
Kingston Line: Pearl-Seaside-Kingston/Plymouth
South Coast Rail(Middleboro Secondary, New Bedford Main Line, Fall River Secondary): Pilgram-Fall River/New Bedford
AAR 41 (160.725 MHz)
Fairmount Line: SO Bay - Readville
Franklin/Foxboro Line: Readville-Walpole-Forge Park
AAR 92 (161.490 MHz)
Worcester Line: Tower #1(Exclusive)-CP45
AAR 20 (160.410 MHz)
North Station - Tower A
Tower A-Swift (Inclusive)
Tower A-Reading JCT. (Inclusive) (Off-hours only)
Tower A-Fells (Inclusive) (Off-hours only)
AAR 87 (161.415 MHz)
Newburyport Line: Tower A-Newburyport
Gloucester Branch: Beverly Junction-Rockport
Inner-Haverhill Line: Tower A - CPF-WJ (Wilmington Junction)
AAR 14 (160.320 MHz)
Lowell Line: Tower A - CPF-BY (Bleachery)
Fitchburg Line: Tower A - CPF-WL (Willows)
AAR 32 (160.590 MHz)
Haverhill Line: Wildcat Branch (Inclusive) - CPF-WJ - State Line
Lowell Line: CPF-BY - Lowell Station
Fitchburg Line: CPF-WL - Wachusett
AAR 94 (161.160 MHz) To Train
AAR 70 (161.520 MHz) From Train