Below, you will find frequency charts for all current and discontinued series of MIPRO wireless in the US.  For a summary of all frequency charts, please refer to our Frequency Chart Summary.

ACT 3-Series (2021 non-B version)
ACT 727, ACT- 727, ACT-818, ACT-828, ACT-848 5UA
ACT 727, ACT- 727, ACT-818, ACT-828, ACT-848 5NU
MI-909T/R

Discontinued Frequency Charts Below
ACT 71, ACT-72, ACT-74 5UA
ACT 71, ACT-72, ACT-74 5NU
ACT-707S/ACT-707D, ACT-707SE/ACT-707DE, ACT-707F, ACT-81/ACT-82
ACT-747a, ACT-727a and ACT-717a receivers and transmitters
ACT 3-Series (Discontinued 600-band 8ch & 16ch versions) 
ACT 3B-Series
MI-808T/R
ACT-71, ACT-72, ACT-74 Series 5UA
ACT-71, ACT-72, ACT-74 Series 5NU
ACT 8-Series (2013-2020)
MR-90 (6A Band)
MR-90 (6B Band)
MR-90 (6C Band)