GetRadioStatus
This function can be used to retrieve the state of the radio transmitter and receiver.
DWORD GetRadioStatus(
   PDWORD pdwStatus
);
Parameters
pdwStatus
[out] The radio hardware status, is returned in pdwStatus, 1 radio is on, 0 for radio is off or unknown.

Return values
Zero indicates success. A negative error number indicates that an error occurred. For additional error information, enable the library debug mode.

Remarks
Radio on reffers to full power (LINEEQUIPSTATE_FULL).
This function is synchronous.

Requirements
OS Versions: Windows CE 1.0 and later.
Header: dyntapi.h.
Dll Library: dyntapidll.dll.

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