diff --git a/libctru/include/3ds/services/uds.h b/libctru/include/3ds/services/uds.h
index 9c519f9..e44517f 100644
--- a/libctru/include/3ds/services/uds.h
+++ b/libctru/include/3ds/services/uds.h
@@ -13,9 +13,6 @@
 /// NetworkNodeID for the host(the first node).
 #define UDS_HOST_NETWORKNODEID 0x1
 
-/// Default value that can be used for udsSendTo() netflags.
-#define UDS_SEND_NETFLAGS_DEFAULT 0xF3
-
 /// Node info struct.
 typedef struct {
 	u64 uds_friendcodeseed;//UDS version of the FriendCodeSeed.
@@ -227,8 +224,9 @@ Result udsGetNetworkStructApplicationData(const udsNetworkStruct *network, void
  * @param bindcontext The output bind context.
  * @param NetworkNodeID This is the NetworkNodeID which this bind can receive data from.
  * @param spectator False for a regular bind, true for a spectator.
+ * @param data_channel This is an arbitrary value to use for data-frame filtering. This bind will only receive data frames which contain a matching data_channel value, which was specified by udsSendTo(). The data_channel must be non-zero.
  */
-Result udsBind(udsBindContext *bindcontext, u16 NetworkNodeID, bool spectator);
+Result udsBind(udsBindContext *bindcontext, u16 NetworkNodeID, bool spectator, u8 data_channel);
 
 /**
  * @brief Remove a bind.
@@ -258,12 +256,12 @@ Result udsPullPacket(const udsBindContext *bindcontext, void *buf, size_t size,
 /**
  * @brief Sends data over the network.
  * @param dst_NetworkNodeID Destination NetworkNodeID.
- * @param netflags UDS_SEND_NETFLAGS_DEFAULT can be used for this. This field is sent in the data frame NWM-module header.
+ * @param data_channel See udsBind().
  * @param flags Send flags, see the UDS_SENDFLAG enum values.
  * @param buf Input send buffer.
  * @param size Size of the buffer.
  */
-Result udsSendTo(u16 dst_NetworkNodeID, u8 netflags, u8 flags, const void *buf, size_t size);
+Result udsSendTo(u16 dst_NetworkNodeID, u8 data_channel, u8 flags, const void *buf, size_t size);
 
 /**
  * @brief Gets the wifi channel currently being used.
@@ -276,20 +274,22 @@ Result udsGetChannel(u8 *channel);
  * @param network The NetworkStruct, you can use udsGenerateDefaultNetworkStruct() for generating this.
  * @param passphrase Raw input passphrase buffer.
  * @param passphrase_size Size of the passphrase buffer.
- * @param bindcontext Output bind context which will be created for this host, with NetworkNodeID=UDS_BROADCAST_NETWORKNODEID.
+ * @param bindcontext Optional output bind context which will be created for this host, with NetworkNodeID=UDS_BROADCAST_NETWORKNODEID.
+ * @param data_channel This is the data_channel value which will be passed to udsBind().
  */
-Result udsCreateNetwork(const udsNetworkStruct *network, const void *passphrase, size_t passphrase_size, udsBindContext *bindcontext);
+Result udsCreateNetwork(const udsNetworkStruct *network, const void *passphrase, size_t passphrase_size, udsBindContext *bindcontext, u8 data_channel);
 
 /**
  * @brief Connect to a network.
  * @param network The NetworkStruct, you can use udsScanBeacons() for this.
  * @param passphrase Raw input passphrase buffer.
  * @param passphrase_size Size of the passphrase buffer.
- * @param bindcontext Output bind context which will be created for this host.
+ * @param bindcontext Optional output bind context which will be created for this host.
  * @param recv_NetworkNodeID This is the NetworkNodeID passed to udsBind() internally.
  * @param connection_type Type of connection, see the udsConnectionType enum values.
+ * @param data_channel This is the data_channel value which will be passed to udsBind() internally.
  */
-Result udsConnectNetwork(const udsNetworkStruct *network, const void *passphrase, size_t passphrase_size, udsBindContext *context, u16 recv_NetworkNodeID, udsConnectionType connection_type);
+Result udsConnectNetwork(const udsNetworkStruct *network, const void *passphrase, size_t passphrase_size, udsBindContext *context, u16 recv_NetworkNodeID, udsConnectionType connection_type, u8 data_channel);
 
 /**
  * @brief Stop hosting the network.
diff --git a/libctru/source/services/uds.c b/libctru/source/services/uds.c
index 6278905..c57e152 100644
--- a/libctru/source/services/uds.c
+++ b/libctru/source/services/uds.c
@@ -37,7 +37,7 @@ static Result udsipc_SetProbeResponseParam(u32 oui, s8 data);
 static Result udsipc_RecvBeaconBroadcastData(u8 *outbuf, u32 maxsize, nwmScanInputStruct *scaninput, u32 wlancommID, u8 id8, Handle event);
 static Result udsipc_ScanOnConnection(u8 *outbuf, u32 maxsize, nwmScanInputStruct *scaninput, u32 wlancommID, u8 id8);
 
-static Result udsipc_Bind(udsBindContext *bindcontext, u32 input0, u8 input1, u16 NetworkNodeID);
+static Result udsipc_Bind(udsBindContext *bindcontext, u32 input0, u8 data_channel, u16 NetworkNodeID);
 static Result udsipc_Unbind(udsBindContext *bindcontext);
 
 static Result udsipc_DecryptBeaconData(udsNetworkStruct *network, u8 *tag0, u8 *tag1, udsNodeInfo *out);
@@ -243,7 +243,7 @@ static Result uds_Initialize(u32 sharedmem_size, const char *username)
 	return ret;
 }
 
-Result udsCreateNetwork(const udsNetworkStruct *network, const void *passphrase, size_t passphrase_size, udsBindContext *context)
+Result udsCreateNetwork(const udsNetworkStruct *network, const void *passphrase, size_t passphrase_size, udsBindContext *context, u8 data_channel)
 {
 	Result ret=0;
 
@@ -253,14 +253,14 @@ Result udsCreateNetwork(const udsNetworkStruct *network, const void *passphrase,
 	ret = udsipc_BeginHostingNetwork(network, passphrase, passphrase_size);
 	if(R_FAILED(ret))return ret;
 
-	ret = udsBind(context, UDS_BROADCAST_NETWORKNODEID, false);
+	if(context)ret = udsBind(context, UDS_BROADCAST_NETWORKNODEID, false, data_channel);
 
 	if(R_FAILED(ret))udsDestroyNetwork();
 
 	return ret;
 }
 
-Result udsConnectNetwork(const udsNetworkStruct *network, const void *passphrase, size_t passphrase_size, udsBindContext *context, u16 recv_NetworkNodeID, udsConnectionType connection_type)
+Result udsConnectNetwork(const udsNetworkStruct *network, const void *passphrase, size_t passphrase_size, udsBindContext *context, u16 recv_NetworkNodeID, udsConnectionType connection_type, u8 data_channel)
 {
 	Result ret=0;
 	bool spectator=false;
@@ -271,7 +271,7 @@ Result udsConnectNetwork(const udsNetworkStruct *network, const void *passphrase
 	ret = udsipc_ConnectToNetwork(network, passphrase, passphrase_size, connection_type);
 	if(R_FAILED(ret))return ret;
 	//printf("bind...\n");
-	ret = udsBind(context, recv_NetworkNodeID, spectator);
+	if(context)ret = udsBind(context, recv_NetworkNodeID, spectator, data_channel);
 
 	if(R_FAILED(ret))udsDisconnectNetwork();
 
@@ -532,7 +532,7 @@ Result udsScanBeacons(void *buf, size_t maxsize, udsNetworkScanInfo **networks,
 	return ret;
 }
 
-Result udsBind(udsBindContext *bindcontext, u16 NetworkNodeID, bool spectator)
+Result udsBind(udsBindContext *bindcontext, u16 NetworkNodeID, bool spectator, u8 data_channel)
 {
 	u32 pos;
 
@@ -559,7 +559,7 @@ Result udsBind(udsBindContext *bindcontext, u16 NetworkNodeID, bool spectator)
 
 	bindcontext->spectator = spectator;
 
-	return udsipc_Bind(bindcontext, 0x2e30, 0xf3, NetworkNodeID);
+	return udsipc_Bind(bindcontext, 0x2e30, data_channel, NetworkNodeID);
 }
 
 Result udsUnbind(udsBindContext *bindcontext)
@@ -790,14 +790,14 @@ Result udsGetNetworkStructApplicationData(const udsNetworkStruct *network, void
 	return 0;
 }
 
-static Result udsipc_Bind(udsBindContext *bindcontext, u32 input0, u8 input1, u16 NetworkNodeID)//input0 and input1 are unknown.
+static Result udsipc_Bind(udsBindContext *bindcontext, u32 input0, u8 data_channel, u16 NetworkNodeID)
 {
 	u32* cmdbuf=getThreadCommandBuffer();
 
 	cmdbuf[0]=IPC_MakeHeader(0x12,4,0); // 0x120100
 	cmdbuf[1]=bindcontext->BindNodeID;
 	cmdbuf[2]=input0;
-	cmdbuf[3]=input1;
+	cmdbuf[3]=data_channel;
 	cmdbuf[4]=NetworkNodeID;
 
 	Result ret=0;
@@ -863,7 +863,7 @@ Result udsPullPacket(const udsBindContext *bindcontext, void *buf, size_t size,
 	return ret;
 }
 
-Result udsSendTo(u16 dst_NetworkNodeID, u8 netflags, u8 flags, const void *buf, size_t size)
+Result udsSendTo(u16 dst_NetworkNodeID, u8 data_channel, u8 flags, const void *buf, size_t size)
 {
 	u32* cmdbuf=getThreadCommandBuffer();
 
@@ -872,7 +872,7 @@ Result udsSendTo(u16 dst_NetworkNodeID, u8 netflags, u8 flags, const void *buf,
 	cmdbuf[0]=IPC_MakeHeader(0x17,6,2); // 0x170182
 	cmdbuf[1]=0x1;//Unused
 	cmdbuf[2]=dst_NetworkNodeID;
-	cmdbuf[3]=netflags;
+	cmdbuf[3]=data_channel;
 	cmdbuf[4]=aligned_size>>2;
 	cmdbuf[5]=size;
 	cmdbuf[6]=flags;