|  
           | 
          BHT-904B
           | 
          BHT-904BB
           | 
        
        
          |  
           | 
          Control Unit
           | 
        
        
          | CPU
           | 
          32 bit RISC micro processor | 
        
        
          | Memory
           | 
          2MB RAM, 16MB Flash | 
          
            |  
             | 
            Display Unit
             | 
          
          
            | Display Type
             | 
            Liquid crystal dot matrix monochrome display | 
          
          
            | Pixel Size
             | 
            128 x 96 dot  | 
          
          
            | Alphanumerics
             | 
            21 Characters by 12 Lines/21 Characters by  16 (Small Font) | 
          
          
            | Backlight
             | 
            LED (White) | 
          
          
            |  
             | 
            Scanner
             | 
          
          
            |  Method
             | 
            Advanced Solid State Scanner | 
          
          
            | Scanning Area
             | 
            40 mm - 540 mm | 
          
          
            | Readable Bar Codes
             | 
            EAN-13/-8 (JAN-13/-8), UPC-A/-E, UPC/EAN (With add-on), Interleaved 2 of 5, Standard 2 of 5, CODABAR (NW-7), CODE39, CODE93, CODE128, GS1-128 (EAN-128), RSS (GS1 DataBar) | 
          
          
            | Resolution (Min.)
             |   
            0.125mm | 
          
          
            | Reading Confirmation Options
             | 
            Blue/Red/Green LED | 
          
          
            | Buzzer | 
          
          
            | Vibrator | 
          
          
            |  
             | 
            Keypad
             | 
          
          
            | No. of Keys
             | 
            26 keys (including power key) 2 trigger keys | 
          
          
            |  
             | 
            Communications - Optical
             | 
          
          
            | Communications system
             | 
            Infra-red (IrDA-SIR Ver.1.2〔Low Power〕compliant) | 
          
          
            | Transmission rate
             | 
            460.8kbps MAX. | 
          
          
            |  
             | 
            Communications - Wireless
             | 
          
          
            | Standard
             | 
              | 
            Bluetooth
               Ver2.1+EDR(SSP, DUN)
               Powerclass 2 | 
          
          
            | Wavelength
             | 
              | 
            2.4 GHz Band | 
          
          
            | Distance
             | 
              | 
            10 m | 
          
          
            | Conversion Method
             | 
              | 
             FHSS | 
          
          
            |  
             | 
            Communications - Interface Cable
             | 
          
          
            | Cable Interface
             | 
            USB Ver.2.0 (High Speed 480Mbps) | 
          
          
            |  
             | 
            Auxiliary Functions
             | 
          
          
            | Standard
             | 
            Calendar clock, beeper, vibrator, resume, low battery, remote wake-up | 
          
          
            |  
             | 
            Powers Supply
             | 
          
          
            | Main Battery
             | 
            Alkaline AA battery × 2 
              or
               AA eneloop battery × 2 | 
          
          
            |  
             | 
            Environmental
             | 
          
          
            | Operating Temperature
             | 
            -5 - 50ēC | 
          
          
            |  Drip Proof
             | 
             JIS drip-proof II | 
          
          
            | Dust & splash resistance
             | 
            IP54 | 
          
          
            | Weight
             | 
            Approx. 160 g |