Offering audio output and interoperability capable of accommodating security, factory, hotel, and building management markets, VX-260 Analog Series includes 16-channel VX-261 with 2 custom-programmable keys and 128-channel VX-264 with 6 custom-programmable keys and embedded voice inversion encryption. Both portable models feature programmable emergency alert and universal battery system (UNI) that permits consolidation down to one battery and charging platform for Vertex Standard fleets.