# telephony_radio.h


## Overview

Defines C APIs for the radio module.

**Library**: libtelephony_radio.so

**System capability**: SystemCapability.Telephony.CoreService

**Since**: 13

**Related module**: [Telephony Radio](ndk-apis-telephony-radio.md)


## Summary


### Functions

| Name| Description|
| -------- | -------- |
| [OH_Telephony_GetNetworkState](ndk-apis-telephony-radio.md#oh_telephony_getnetworkstate) | Obtains the network status.|
| [OH_Telephony_GetNetworkStateForSlot](ndk-apis-telephony-radio.md#oh_telephony_getnetworkstateforslot) | Obtains the network status of the SIM card in the specified slot.|