TETRA Terminals 
MR5.6.1E software for 

MTH800, MTP850, MTM800 and MTM800E 
MTH800: R07.XXX.5848 
MTP850 800 MHz: R10.XX0.5848 
MTP850 380 MHz: R13.XXX. 5848 
MTM800: R08.XXX. 5848 
MTM800E: R17.XXX.5848 / R14.000.5848