RADION wireless from Bosch provides the range, scalability and exceptional battery life required to ensure reliable performance and superior quality. Advanced diagnostics and multiple device enrollment options make installation and maintenance simple and cost effective. With a complete line of peripherals, RADION provides the flexibility for virtually any application requirement. Main Features Dual internal antennas provide spatial and polar RF signal reception for high reliability Cover and wall tamper protection Multiple device enrollment options as well as RF diagnostics ensure efficient and effective installation Supports supervision of wireless points (504), keyfobs (1000), and repeaters (8) External status LEDs Transmits a tamper switch signal when the unit is removed from its base, or the mounting surface. Dimensions:139.70 mm x 209.60 mm x 31.80 mm (5.50 in x 8.25 in x 1.25 in) Wiring Distance:243 m (800 ft) Power Voltage: 10-14 VDC, 12 VDC nominal Frequency:433.42 MHz Maximum Current Draw:70 mA Intended for indoor use