Listen in with the APCO-25 Capable Uniden Portable TrunkTracker IV. With GPS support for location-based scanning, this capable trunktracker scanner is also enhanced with support that allows the analysis of control channel data without the need to perform invasive modifications to the scanner. Featured-packed and easy to carry, this portable trunk tracker 4 includes temporary lockout, startup configuration, system/channel tagging, individual channel volume offset, key safe mode and private system. For serious hobbyists, consider buying the APCO-25 Capable Uniden Portable TrunkTracker IV. APCO-25 Capable Uniden Portable TrunkTracker IV: * Support for P25 conventional channel that include NAC and TGID user differentiation (P25 1-frequency trunk) * EDACS support, control data output - allows the analysis of control channel data without the need to perform invasive modifications to the scanner * Close Call temporary store (last 10 hits), GPS support for location-based scanning, location alert and crows-flight navigation * Fire tone out alert, band scope, multi-color display backlight, multi-site support, NAC decoding, ability to flag a channel as digital, analog or all * Temporary lockout, startup configuration, system/channel tagging, individual channel volume offset, key safe mode and private system