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Development Kit User Guide
2. From a PC terminal emulator (for example, HyperTerminal), input AT+CPIN?. If the SIM card
is ready, the module will respond with +CPIN: READY, otherwise it will return ERROR.
3. Enter ATD<phone number>; to make a call. For example, enter ATD13800138000;.
4.4.
RF Communications with the HL75xx and
HL85xxx
The provided USB driver should be installed in the host computer. The HL75xx and HL85xxx modules
are automatically detected when the USB cable is connected to the PC via the Development Kit
board.
Test communications using a PC terminal emulator (for example, HyperTerminal) by entering AT.
The module should answer with OK.
4114877
Rev 5.0
Getting Started with the HL Series
Development Kit
October 12, 2015
38
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