Chapter 6
USING THE PHONE
The RK25 mobile computer allows making phone calls and connecting to the network over
Wideband Code Division Multiple Access (WCDMA). Insert the SIM card before turning on
the power. Refer to Installing SIM Card, SAM Card and Memory Card.
Note:
(1) If the SIM card is not in position, you may make emergency calls if the service is supported.
(2) 10° tilted reader model is equipped with 1 SIM slot & 1 optional SIM/SAM slot, while 70° tilted
reader model is equipped with dual SIM slot.
IN THIS CHAPTER
6.1 SIM Card Management ........................................................ 187
6.2 Phone Application ................................................................ 190
6.3 Audio Modes ........................................................................ 200
6.4 In-call Volume ....................................................................... 201