Radio Shack PRO-668 Digital Trunking Scanner - DMR Whistler Upgraded Model. Radio Shack PRO-668 Digital Trunking Scanner.. Radio is in good condition and works as it should. This scanner is compatible with the following Trunking System Types and System Voices used in the RadioReference Database, of course you must verify that the scanner will cover the appropriate frequency range: System Types: Motorola Type I Motorola Type II Motorola Type IIi Hybrid Motorola Type II Smartnet Motorola Type II Smartzone Motorola Type II Smartzone Omnilink EDACS Standard (Wide) EDACS Standard Networked EDACS Narrowband (Narrow) EDACS Narrowband Networked EDACS SCAT EDACS ESK (not ProVoice) LTR Standard Project 25 Phase I Project 25 Phase II Motorola X2 TDMA DMR1 System Voices: Analog Analog and APCO-25 Common Air Interface APCO-25 Common Air Interface Exclusive DMR1 Notes Reception of these modes requires the Whistler Official Upgrade Included In This Model.The item "Radio Shack PRO-668 Digital Trunking Scanner DMR Whistler Upgraded Model" is in sale since Saturday, July 17, 2021. This item is in the category "Consumer Electronics\Radio Communication\Scanners". The seller is "con4069" and is located in Eugene, Oregon. This item can be shipped to United States.