diff --git a/mesh/model.c b/mesh/model.c
index d0b4498..56d7aa4 100644
--- a/mesh/model.c
+++ b/mesh/model.c
@@ -39,6 +39,7 @@
 #include "mesh/dbus.h"
 #include "mesh/util.h"
 #include "mesh/model.h"
+#include "mesh/keyring.h"
 
 /* Divide and round to ceiling (up) to calculate segment count */
 #define CEILDIV(val, div) (((val) + (div) - 1) / (div))
@@ -929,6 +930,7 @@ bool mesh_model_send(struct mesh_node *node, uint16_t src, uint16_t target,
 					const void *msg, uint16_t msg_len)
 {
 	uint8_t key_id;
+	uint8_t dev_key[16];
 	const uint8_t *key;
 
 	/* print_packet("Mod Tx", msg, msg_len); */
@@ -947,7 +949,12 @@ bool mesh_model_send(struct mesh_node *node, uint16_t src, uint16_t target,
 		if (!key)
 			return false;
 
-		l_debug("(%x)", app_idx);
+		key_id = APP_ID_DEV;
+	} else if (app_idx == APP_IDX_DEV_REMOTE) {
+		if (!keyring_get_remote_dev_key(node, target, dev_key))
+			return false;
+
+		key = dev_key;
 		key_id = APP_ID_DEV;
 	} else {
 		key = appkey_get_key(node_get_net(node), app_idx, &key_id);
diff --git a/mesh/node.c b/mesh/node.c
index 98dbf7b..88bd476 100644
--- a/mesh/node.c
+++ b/mesh/node.c
@@ -1779,13 +1779,60 @@ static struct l_dbus_message *send_call(struct l_dbus *dbus,
 		return dbus_error(msg, MESH_ERROR_INVALID_ARGS,
 							"Incorrect data");
 
-	if (!mesh_model_send(node, src, dst, app_idx,
+	if ((app_idx & APP_IDX_MASK) != app_idx)
+		return dbus_error(msg, MESH_ERROR_INVALID_ARGS,
+						"Invalid key_index");
+
+	if (!mesh_model_send(node, src, dst, app_idx & APP_IDX_MASK,
 				mesh_net_get_default_ttl(node->net), data, len))
 		return dbus_error(msg, MESH_ERROR_FAILED, NULL);
 
 	return l_dbus_message_new_method_return(msg);
 }
 
+static struct l_dbus_message *dev_key_send_call(struct l_dbus *dbus,
+						struct l_dbus_message *msg,
+						void *user_data)
+{
+	struct mesh_node *node = user_data;
+	const char *sender, *ele_path;
+	struct l_dbus_message_iter iter_data;
+	struct node_element *ele;
+	uint16_t dst, net_idx, src;
+	uint8_t *data;
+	uint32_t len;
+
+	l_debug("DevKeySend");
+
+	sender = l_dbus_message_get_sender(msg);
+
+	if (strcmp(sender, node->owner))
+		return dbus_error(msg, MESH_ERROR_NOT_AUTHORIZED, NULL);
+
+	if (!l_dbus_message_get_arguments(msg, "oqqay", &ele_path, &dst,
+							&net_idx, &iter_data))
+		return dbus_error(msg, MESH_ERROR_INVALID_ARGS, NULL);
+
+	ele = l_queue_find(node->elements, match_element_path, ele_path);
+	if (!ele)
+		return dbus_error(msg, MESH_ERROR_NOT_FOUND,
+							"Element not found");
+
+	src = node_get_primary(node) + ele->idx;
+
+	if (!l_dbus_message_iter_get_fixed_array(&iter_data, &data, &len) ||
+					!len || len > MESH_MAX_ACCESS_PAYLOAD)
+		return dbus_error(msg, MESH_ERROR_INVALID_ARGS,
+							"Incorrect data");
+
+	/* TODO: use net_idx */
+	if (!mesh_model_send(node, src, dst, APP_IDX_DEV_REMOTE,
+				mesh_net_get_default_ttl(node->net), data, len))
+		return dbus_error(msg, MESH_ERROR_NOT_FOUND, NULL);
+
+	return l_dbus_message_new_method_return(msg);
+}
+
 static struct l_dbus_message *publish_call(struct l_dbus *dbus,
 						struct l_dbus_message *msg,
 						void *user_data)
@@ -1883,7 +1930,11 @@ static void setup_node_interface(struct l_dbus_interface *iface)
 {
 	l_dbus_interface_method(iface, "Send", 0, send_call, "", "oqqay",
 						"element_path", "destination",
-						"key", "data");
+						"key_index", "data");
+	l_dbus_interface_method(iface, "DevKeySend", 0, dev_key_send_call,
+						"", "oqqay", "element_path",
+						"destination", "net_index",
+						"data");
 	l_dbus_interface_method(iface, "Publish", 0, publish_call, "", "oqay",
 					"element_path", "model_id", "data");
 	l_dbus_interface_method(iface, "VendorPublish", 0, vendor_publish_call,