Futaba 4PM Plus Radio 2.4GHz 4 Channel T-FHSS withR334SBS Receiver 01004418-3 Published by admin on November 7, 2023 In addition to the conventional wired system, it can be set wirelessly in combination with the R334SBS or R334SBS-E. FHSS Miniz System The sensitivity of Futaba car rate gyros can be adjusted from the T4PM.