diff --git a/presence/proto/BUILD b/presence/proto/BUILD
new file mode 100644
index 00000000..8fa31990
--- /dev/null
+++ b/presence/proto/BUILD
@@ -0,0 +1,11 @@
+load("@rules_cc//cc:defs.bzl", "cc_proto_library")
+
+proto_library(
+    name = "presence_frame_proto",
+    srcs = ["presence_frame.proto"],
+)
+
+cc_proto_library(
+    name = "presence_frame_cc_proto",
+    deps = [":presence_frame_proto"],
+)
diff --git a/presence/proto/presence_frame.proto b/presence/proto/presence_frame.proto
new file mode 100644
index 00000000..ee6c2db9
--- /dev/null
+++ b/presence/proto/presence_frame.proto
@@ -0,0 +1,158 @@
+syntax = "proto2";
+
+package nearby.presence;
+
+// import "storage/datapol/annotations/proto/semantic_annotations.proto";
+
+option java_package = "com.google.android.gms.nearby.presence";
+option java_outer_classname = "PresenceFrameProtocol";
+
+/**
+ * Nearby Presence’s wire frame format
+ */
+message PresenceFrame {
+  /** The version of the frame. */
+  enum Version {
+    UNKNOWN_VERSION = 0;
+    VERSION_1 = 1;
+  }
+
+  /** The version 1 frame for Nearby Presence. */
+  optional V1Frame v1_frame = 1;
+}
+
+/**
+ * Nearby Presence’s v1 wire frame format
+ */
+message V1Frame {
+  oneof Message {
+    // Control messages for connection status update.
+    ControlFrame control_frame = 1;
+
+    // This frame will be shared by public and provisioned identities
+    DeviceIdentityFrame device_identity_frame = 2;
+
+    // First message from discovery device to broadcaster.
+    ConnectionInitFrame connection_init_frame = 3;
+
+    // Sent by broadcaster to notify discoverer its UWB capability.
+    UwbControleeCapabilities uwb_controlee_capabilities_frame = 4;
+
+    // Sent by discoverer to notify broadcaster the UWB ranging parameters.
+    UwbConnectionInfo uwb_connection_info = 5;
+  }
+}
+
+/**
+ * A frame contains the local device’s information, shared by public and
+ * provisioned identities.
+ */
+message DeviceIdentityFrame {
+  optional string device_name = 1;
+
+  // Without this field, the device will not be connectable.
+  optional bytes bluetooth_mac_address = 2;  // deprecated
+
+  optional string device_image_url = 3;
+
+  optional string model_id = 4;
+
+  repeated int32 action = 5 [packed = true];  // deprecated
+
+  optional string device_model_name = 6;
+
+  optional int32 device_type = 7;
+}
+
+/**
+ * A frame sent from discovery device to broadcast device when connection
+ * initialized, or when UWB needs to be restarted, or when dedup hint rotates.
+ */
+message ConnectionInitFrame {
+  // Discovery-side action list
+  repeated int32 actions = 1 [packed = true];
+
+  // Discovery-side identity type
+  optional int32 identity_type = 2;
+
+  // Should the broadcaster (re)-start UWB OOB process or not.
+  optional bool uwb_enable = 3;
+
+  // Used for device de-duplicate. Same device ID means the same physical
+  // device. When dedup hint rotates, this will be updated and send again.
+  optional int64 device_unique_id = 4;
+}
+
+/**
+ * A frame that describes the controlee's UWB capabilities.
+ */
+message UwbControleeCapabilities {
+  optional bytes controlee_address = 1;
+
+  repeated int32 supported_config_ids = 2 [packed = true];
+
+  repeated int32 supported_channels = 3 [packed = true];
+
+  optional int32 min_ranging_interval_ms = 4;
+
+  optional bytes sub_session_id = 5 /* type = ST_SESSION_ID */;
+
+  optional bytes sub_session_key = 6
+      /* type = ST_SECURITY_MATERIAL */;
+
+  optional bool ranging_disabled = 7;
+
+  // Used for device de-duplicate. Same device ID means the same physical
+  // device.
+  optional int64 device_unique_id = 8;
+
+  optional bool is_distance_supported = 9 [default = true];
+  optional bool is_azimuth_supported = 10 [default = true];
+  optional bool is_elevation_supported = 11 [default = false];
+  optional float min_slot_duration_ms = 12 [default = 2.0];
+  repeated int32 supported_ntf_configs = 13 [packed = true];
+}
+
+/**
+ * A frame that describes the connection info of the UWB ranging session.
+ */
+message UwbConnectionInfo {
+  optional bytes controller_address = 1;
+
+  optional int32 channel = 2;
+
+  optional int32 preamble_index = 3;
+
+  optional int32 config_id = 4;
+
+  optional int32 ranging_interval_ms = 5;
+
+  optional int32 session_id = 6 /* type = ST_SESSION_ID */;
+
+  optional bytes vendor_id = 7;
+
+  optional bytes static_sts_iv = 8;
+
+  optional bytes session_key = 9
+      /* type = ST_SECURITY_MATERIAL */;
+
+  optional bool ranging_disabled = 10;
+}
+
+/**
+ * Control frames that used for connection status update.
+ */
+message ControlFrame {
+  /** The defined Control type of the frame. */
+  enum ControlType {
+    UNKNOWN_TYPE = 0;
+
+    // Keeps the connection alive.
+    KEEP_ALIVE = 1;
+
+    // Notifies the peer that the connection will be closed immediately.
+    DISCONNECT = 2;
+  }
+
+  optional ControlType type = 1;
+}