Digital Capable and Analog Plus Stations. GTR 8000 serves as a fixed station/repeater for ASTRO P25 trunking and conventional radio communication. Quantar / Quantro, AstroTAC / Astro TAC, AstroTAC-3000 and G8000 repeaters (GTR8000). Astro25 CSS / Configuration Service Software. MTR2000, MTR3000, MSF5000. DIU3000 CSS/RSS software. Motorola MSF5000 repeater/base station with a band split of 146-174 MHz.