
Appendix A — Specifications and Default Settings
70 Series Mobile Computer User Manual 137
Back Accessory Interface Pin-outs
The back accessory interface provides power for peripheral devices out
the back of the CK70 and CK71 computers.
Touch Screen Specifications
Transmissive VGA display with high-durability touch screen; 480 x
640 pixels; 8.9 cm (3.5 in) diagonal active area; LED backlight and
ambient light sensor.
Standard Communications
• UMTS (not available on CK71)
• CDMA (not available on CK71)
• Flexible Network Radio (not available on CK71)
• GPS (not available on CK71)
• 802.11a/b/g/n
• Bluetooth
• USB Full Speed V2.0 Host
• USB Full Speed V2.0 Client
Pin Pin Name I/O Description
1 OTB_PWR Output Power supply for peripheral
2GND
3 OTB_RX Input DTE Data Receive
4 OTB_TX Output DTE Data Transmit
5 OTB_I/O_Voltage Input I/O Voltage Level
6 OTB_ID BiDir One Wire Bus for ID
7 OTB_RTS Output DTE Ready do Send
8 OTB_CTS Input DTE Clear to Send
Note: The Intermec 70 Series RFID-enabled computers do not
support UMTS, CDMA, or GPS.
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