The unit is supplied with power supply. Update the master via USB and Ethernet connection. To operate the Hydrabox is no PC needed. The Hydrabox provides you with wireless indoor-multi-access on up to four receivers at the same time with only one smartcard. Fast wireless data-transmission guarantees high system stability! 100% Plug and Play, preinstalled Firmware, just insert smartcard and enjoy it. Technical-Specifications: • RF Technology • Operating frequency: 800-928 MHz • Programmable output power up to +10 dBm • Excellent receiver selectivity and blocking performance • High sensitivity (–111 dBm at 1.2 kBaud, 868 MHz, 1% packet error rate) Low current consumption (14.4 mA in RX, 1.2 kBaud, 868 MHz) Ports: • Mini-USB interface: supporting USB 2.0 • 10/100 Mbit Ethernet Port • SMA-antenna-connectors on base and clients: Antenna: • Antenna Average Gain 0~3dBi • External Antenna (exchangable for higher range) LED Indicator: • Base 2LEDs (GRN=power,RED=error) • Client 3LEDs(GRN=connection,RED=error,BLUE=key) Power-Delivery: • Base:Over Mini-USB interface •Client: Over PCMCIA or Embedded Cam, External Powerjack ( input 5-12V max.) OS-Supported: • Windows2000,Windows XP and Windows Vista Dimension: • Base: 10x7,3x2,5 cm • Client: 10,5x5,4x0,6 cm Package Contents: • 1 x Hydra Base • 3 x Hydra-Client-Cards • 4 x 868Mhz Antennas • USB Power-Supply (100-240v~50/60Hz 0.3A) • Mini USB Cable