# LoRaWANMulticastSession
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The LoRaWAN information used with the multicast session.

## Contents
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 ** DlDr **   <a name="iotwireless-Type-LoRaWANMulticastSession-DlDr"></a>
Downlink data rate.  
Type: Integer  
Valid Range: Minimum value of 0. Maximum value of 15.  
Required: No

 ** DlFreq **   <a name="iotwireless-Type-LoRaWANMulticastSession-DlFreq"></a>
Downlink frequency.  
Type: Integer  
Valid Range: Minimum value of 100000000. Maximum value of 1000000000.  
Required: No

 ** PingSlotPeriod **   <a name="iotwireless-Type-LoRaWANMulticastSession-PingSlotPeriod"></a>
The PingSlotPeriod value.  
Type: Integer  
Valid Range: Minimum value of 32. Maximum value of 4096.  
Required: No

 ** SessionStartTime **   <a name="iotwireless-Type-LoRaWANMulticastSession-SessionStartTime"></a>
Timestamp of when the multicast group session is to start.  
Type: Timestamp  
Required: No

 ** SessionTimeout **   <a name="iotwireless-Type-LoRaWANMulticastSession-SessionTimeout"></a>
How long before a multicast group session is to timeout.  
We recommend that you provide a timeout value that is a power-of-two (such as 64, 128, 256). If a non-power-of-two value is provided, it will automatically be rounded up to the next supported power-of-two within the allowed range.
Type: Integer  
Valid Range: Minimum value of 60. Maximum value of 172800.  
Required: No

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/iotwireless-2025-11-06/LoRaWANMulticastSession) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/iotwireless-2025-11-06/LoRaWANMulticastSession) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/iotwireless-2025-11-06/LoRaWANMulticastSession)