| Physical Characteristics | 
| Dimensions | 
23 mm (h) x 89 mm (w) x 148 mm (l) | 
| Case Material | 
ABS Plastic | 
| Colour | 
Black Base with Opaque Blue Top   
(other colour options are available) | 
| Weight | 
400g (Approx) | 
| Environmental Characteristics | 
 | 
0 to 50 °C Operating | 
| Relative Humidity | 
0 to 97% (Non-Condensing) | 
| RFID Characteristics | 
Frequency | 
Can support 862 to 955 MHz (Set to 918-926 MHz for Australia) | 
| Standard | 
ISO 18000-6C | 
| Protocol | 
EPC Class1, Gen2 | 
| Read Range | 
Upto 5cm (Dependant on Tag and Orientation) | 
| Power | 
| Source | 
5VDC ± 0.2V (Supplied from USB PC Interface) | 
| Interface | 
| Communication | 
USB (Type-B Connector) | 
       
| Protocol | 
USB Serial  (Virtual Com Port) | 
       
| Hardware | 
| CPU | 
Atmel 8 Bit | 
       
| Memory | 
4K Flash for Application/2K EEPROM  | 
       
| RAM | 
4Kbytes | 
       
| Programming | 
Via Programming Port on PCB | 
       
| User Feedback | 
| Visual | 
6 Target LED's (On top of unit) | 
       
| Audial | 
Embedded Speaker | 
       
    | M652A | 
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    UMD Model 652 USB UHF RFID Pad Reader | 
    |   | 
    |   | 
    UHF Reader Module (ISO 18000-6C) | 
    | 
       U 
 | 
      | 
    
       UHF Reader Module (ISO 18000-6C)  | 
    |   | 
    Hardware Options | 
    | 
       00 
      90 
      xx  | 
      | 
    
       Standard - Skyetek M7 UHF RFID Module 0.125W 
      Skyetek M9 UHF RFID Module 0.5W 
      Custom  | 
    |   | 
    Firmware (Software) Options (Flash Programmable)  | 
    | 
       00 
      01 
      02 
      xx  | 
      | 
    
       None 
      UHF EPC, 96bit Read Only, USB Serial with Continuous Read 
      UHF EPC, 96bit Read/Write, USB Serial with direct control (eg. Hyperterminal or M652SWxx Utility software) 
      Customer Specific  | 
    |   | 
    | M652A | 
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