| Dimensions | 
    | With EV15 Module | 
    50 x 41 x 27 mm | 
    | With EV12 | 
    50 x 41 x 27 mm | 
    | PCB Assembly Only | 
    50 x 41 x 10 mm | 
    | Electrical | 
    | Voltage Input | 
    +5V/DC | 
    | Current
     | 200 mA (approx.) | 
    | Inputs | 
    | RS-232 Signal
     | RxD, CTS | 
    | Outputs | 
    | RS-232 Signal
     | TxD, RTS | 
    | Connection | 
    | Option 1
     | 6 pin Terminal Block (screw terminal or removable) | 
    | Option 2
     | 10 way dual header pin (2x5 pins) | 
    | Option 3
     | RJ45 Modular Socket | 
    | Options | 
    | Speaker
     | Driven by EV module | 
    | Indicators
     | 1) Power LED (Red) 2) Good Read LED (Green) | 
    | External Trigger
     | Via 2 pin header |