Handheld Commercial Radio with Roaming and GPS from Anytone, the AT-D878UV Digital DMR Dual-band. This is a dual-band VHF/UHF DMR commercial transceiver with a 1.77-inch color TFT display and navigation. This transceiver supports the Part 90 DMR standard. There are a number of new features included in the AT-D878 model, such as DMR Roaming, a faster processor, and larger memory for future upgrades.