MXT500 Programming & Firmware
V3.03 PC Software and Programming Guide
V3.03 PC software is for MXT500 radios with serial numbers beginning with 24 and factory loaded firmware.
V3.03 is for the 128 channel + 50 CTCSS firmware.
V2.01 PC Software and Programming Guide
V2.01 PC software is for MXT500 radios with serial numbers beginning with 23 and factory loaded firmware.
V2.01 is for the original 128 channel firmware.
V1.04 PC Software and Programming Guide
V1.04 PC software is for MXT500 radios with serial numbers beginning with 21 or 22 and factory loaded firmware.
V1.04 is for the original 30 channel firmware.
MXT5OO Firmware Update Tool Download
Includes original 30 channel, 128 channel, and 128 channel + 50 CTCSS firmware versions.