Catalog > Consumer Electronics > Security & Alarms > Paradox Alarms Digiplex R910 4-Wire Indoor/Outdoor Proximity Reader Digiplex R910 4-Wire Indoor/Outdoor Proximity Reader PDX PA3578 PARADOX DIGIPLEX R910 4-WIRE INDOOR/OUTDOOR PROXIMITY READER Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features In-field firmware upgrade Extreme weather-resistant design Up to 10cm read range with C702 Standard Proximity Card(Clamshell) Supports the RS-485 output format Tricolor LED display Advanced SwiftRead Technology Elegant blue face light R910 V1.00 are not upgradable to V2.10, only V2.00 readers are upgradable to V2.10 Imperial compatibility with R910 V2.10 or higher only