diff --git a/threadnetwork/aidl/default/Android.bp b/threadnetwork/aidl/default/Android.bp
index 816f892..82a76e0 100644
--- a/threadnetwork/aidl/default/Android.bp
+++ b/threadnetwork/aidl/default/Android.bp
@@ -37,6 +37,7 @@
     srcs: [
         "main.cpp",
         "service.cpp",
+        "socket_interface.cpp",
         "thread_chip.cpp",
         "utils.cpp",
     ],
@@ -63,6 +64,7 @@
     ],
 
     srcs: [
+        "socket_interface.cpp",
         "thread_chip.cpp",
         "utils.cpp",
         "fuzzer.cpp",
diff --git a/threadnetwork/aidl/default/socket_interface.cpp b/threadnetwork/aidl/default/socket_interface.cpp
new file mode 100644
index 0000000..f874209
--- /dev/null
+++ b/threadnetwork/aidl/default/socket_interface.cpp
@@ -0,0 +1,301 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @file
+ *   This file includes the implementation for the Socket interface to radio
+ * (RCP).
+ */
+
+#include "socket_interface.hpp"
+
+#include <errno.h>
+#include <openthread/logging.h>
+#include <sys/inotify.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/un.h>
+#include <sys/wait.h>
+#include <unistd.h>
+
+#include <string>
+
+#include "common/code_utils.hpp"
+#include "openthread/openthread-system.h"
+#include "platform-posix.h"
+
+namespace aidl {
+namespace android {
+namespace hardware {
+namespace threadnetwork {
+
+SocketInterface::SocketInterface(const ot::Url::Url& aRadioUrl)
+    : mReceiveFrameCallback(nullptr),
+      mReceiveFrameContext(nullptr),
+      mReceiveFrameBuffer(nullptr),
+      mSockFd(-1),
+      mRadioUrl(aRadioUrl) {
+    memset(&mInterfaceMetrics, 0, sizeof(mInterfaceMetrics));
+    mInterfaceMetrics.mRcpInterfaceType = kSpinelInterfaceTypeVendor;
+}
+
+otError SocketInterface::Init(ReceiveFrameCallback aCallback, void* aCallbackContext,
+                              RxFrameBuffer& aFrameBuffer) {
+    otError error = OT_ERROR_NONE;
+
+    VerifyOrExit(mSockFd == -1, error = OT_ERROR_ALREADY);
+
+    WaitForSocketFileCreated(mRadioUrl.GetPath());
+
+    mSockFd = OpenFile(mRadioUrl);
+    VerifyOrExit(mSockFd != -1, error = OT_ERROR_FAILED);
+
+    mReceiveFrameCallback = aCallback;
+    mReceiveFrameContext = aCallbackContext;
+    mReceiveFrameBuffer = &aFrameBuffer;
+
+exit:
+    return error;
+}
+
+SocketInterface::~SocketInterface(void) {
+    Deinit();
+}
+
+void SocketInterface::Deinit(void) {
+    CloseFile();
+
+    mReceiveFrameCallback = nullptr;
+    mReceiveFrameContext = nullptr;
+    mReceiveFrameBuffer = nullptr;
+}
+
+otError SocketInterface::SendFrame(const uint8_t* aFrame, uint16_t aLength) {
+    Write(aFrame, aLength);
+
+    return OT_ERROR_NONE;
+}
+
+otError SocketInterface::WaitForFrame(uint64_t aTimeoutUs) {
+    otError error = OT_ERROR_NONE;
+    struct timeval timeout;
+    timeout.tv_sec = static_cast<time_t>(aTimeoutUs / US_PER_S);
+    timeout.tv_usec = static_cast<suseconds_t>(aTimeoutUs % US_PER_S);
+
+    fd_set readFds;
+    fd_set errorFds;
+    int rval;
+
+    FD_ZERO(&readFds);
+    FD_ZERO(&errorFds);
+    FD_SET(mSockFd, &readFds);
+    FD_SET(mSockFd, &errorFds);
+
+    rval = TEMP_FAILURE_RETRY(select(mSockFd + 1, &readFds, nullptr, &errorFds, &timeout));
+
+    if (rval > 0) {
+        if (FD_ISSET(mSockFd, &readFds)) {
+            Read();
+        } else if (FD_ISSET(mSockFd, &errorFds)) {
+            DieNowWithMessage("RCP error", OT_EXIT_FAILURE);
+        } else {
+            DieNow(OT_EXIT_FAILURE);
+        }
+    } else if (rval == 0) {
+        ExitNow(error = OT_ERROR_RESPONSE_TIMEOUT);
+    } else {
+        DieNowWithMessage("wait response", OT_EXIT_FAILURE);
+    }
+
+exit:
+    return error;
+}
+
+void SocketInterface::UpdateFdSet(void* aMainloopContext) {
+    otSysMainloopContext* context = reinterpret_cast<otSysMainloopContext*>(aMainloopContext);
+
+    assert(context != nullptr);
+
+    FD_SET(mSockFd, &context->mReadFdSet);
+
+    if (context->mMaxFd < mSockFd) {
+        context->mMaxFd = mSockFd;
+    }
+}
+
+void SocketInterface::Process(const void* aMainloopContext) {
+    const otSysMainloopContext* context =
+            reinterpret_cast<const otSysMainloopContext*>(aMainloopContext);
+
+    assert(context != nullptr);
+
+    if (FD_ISSET(mSockFd, &context->mReadFdSet)) {
+        Read();
+    }
+}
+
+void SocketInterface::Read(void) {
+    uint8_t buffer[kMaxFrameSize];
+
+    ssize_t rval = TEMP_FAILURE_RETRY(read(mSockFd, buffer, sizeof(buffer)));
+
+    if (rval > 0) {
+        ProcessReceivedData(buffer, static_cast<uint16_t>(rval));
+    } else if (rval < 0) {
+        DieNow(OT_EXIT_ERROR_ERRNO);
+    } else {
+        otLogCritPlat("Socket connection is closed by remote.");
+        exit(OT_EXIT_FAILURE);
+    }
+}
+
+void SocketInterface::Write(const uint8_t* aFrame, uint16_t aLength) {
+    ssize_t rval = TEMP_FAILURE_RETRY(write(mSockFd, aFrame, aLength));
+    VerifyOrDie(rval >= 0, OT_EXIT_ERROR_ERRNO);
+    VerifyOrDie(rval > 0, OT_EXIT_FAILURE);
+}
+
+void SocketInterface::ProcessReceivedData(const uint8_t* aBuffer, uint16_t aLength) {
+    while (aLength--) {
+        uint8_t byte = *aBuffer++;
+        if (mReceiveFrameBuffer->CanWrite(sizeof(uint8_t))) {
+            IgnoreError(mReceiveFrameBuffer->WriteByte(byte));
+        } else {
+            HandleSocketFrame(this, OT_ERROR_NO_BUFS);
+            return;
+        }
+    }
+    HandleSocketFrame(this, OT_ERROR_NONE);
+}
+
+void SocketInterface::HandleSocketFrame(void* aContext, otError aError) {
+    static_cast<SocketInterface*>(aContext)->HandleSocketFrame(aError);
+}
+
+void SocketInterface::HandleSocketFrame(otError aError) {
+    VerifyOrExit((mReceiveFrameCallback != nullptr) && (mReceiveFrameBuffer != nullptr));
+
+    if (aError == OT_ERROR_NONE) {
+        mReceiveFrameCallback(mReceiveFrameContext);
+    } else {
+        mReceiveFrameBuffer->DiscardFrame();
+        otLogWarnPlat("Process socket frame failed: %s", otThreadErrorToString(aError));
+    }
+
+exit:
+    return;
+}
+
+int SocketInterface::OpenFile(const ot::Url::Url& aRadioUrl) {
+    int fd = -1;
+    sockaddr_un serverAddress;
+
+    VerifyOrExit(sizeof(serverAddress.sun_path) > strlen(aRadioUrl.GetPath()),
+                 otLogCritPlat("Invalid file path length"));
+    strncpy(serverAddress.sun_path, aRadioUrl.GetPath(), sizeof(serverAddress.sun_path));
+    serverAddress.sun_family = AF_UNIX;
+
+    fd = socket(AF_UNIX, SOCK_SEQPACKET, 0);
+    VerifyOrExit(fd != -1, otLogCritPlat("open(): errno=%s", strerror(errno)));
+
+    if (connect(fd, reinterpret_cast<struct sockaddr*>(&serverAddress), sizeof(serverAddress)) ==
+        -1) {
+        otLogCritPlat("connect(): errno=%s", strerror(errno));
+        close(fd);
+        fd = -1;
+    }
+
+exit:
+    return fd;
+}
+
+void SocketInterface::CloseFile(void) {
+    VerifyOrExit(mSockFd != -1);
+
+    VerifyOrExit(0 == close(mSockFd), otLogCritPlat("close(): errno=%s", strerror(errno)));
+    VerifyOrExit(wait(nullptr) != -1 || errno == ECHILD,
+                 otLogCritPlat("wait(): errno=%s", strerror(errno)));
+
+    mSockFd = -1;
+
+exit:
+    return;
+}
+
+void SocketInterface::WaitForSocketFileCreated(const char* aPath) {
+    int inotifyFd;
+    int wd;
+    int lastSlashIdx;
+    std::string folderPath;
+    std::string socketPath(aPath);
+
+    VerifyOrExit(!IsSocketFileExisted(aPath));
+
+    inotifyFd = inotify_init();
+    VerifyOrDie(inotifyFd != -1, OT_EXIT_ERROR_ERRNO);
+
+    lastSlashIdx = socketPath.find_last_of('/');
+    VerifyOrDie(lastSlashIdx != std::string::npos, OT_EXIT_ERROR_ERRNO);
+
+    folderPath = socketPath.substr(0, lastSlashIdx);
+    wd = inotify_add_watch(inotifyFd, folderPath.c_str(), IN_CREATE);
+    VerifyOrDie(wd != -1, OT_EXIT_ERROR_ERRNO);
+
+    otLogInfoPlat("Waiting for socket file %s be created...", aPath);
+
+    while (true) {
+        fd_set fds;
+        FD_ZERO(&fds);
+        FD_SET(inotifyFd, &fds);
+        struct timeval timeout = {kMaxSelectTimeMs / MS_PER_S,
+                                  (kMaxSelectTimeMs % MS_PER_S) * MS_PER_S};
+
+        int rval = select(inotifyFd + 1, &fds, nullptr, nullptr, &timeout);
+        VerifyOrDie(rval >= 0, OT_EXIT_ERROR_ERRNO);
+
+        if (rval == 0 && IsSocketFileExisted(aPath)) {
+            break;
+        }
+
+        if (FD_ISSET(inotifyFd, &fds)) {
+            char buffer[sizeof(struct inotify_event)];
+            ssize_t bytesRead = read(inotifyFd, buffer, sizeof(buffer));
+
+            VerifyOrDie(bytesRead >= 0, OT_EXIT_ERROR_ERRNO);
+
+            struct inotify_event* event = reinterpret_cast<struct inotify_event*>(buffer);
+            if ((event->mask & IN_CREATE) && IsSocketFileExisted(aPath)) {
+                break;
+            }
+        }
+    }
+
+    close(inotifyFd);
+
+exit:
+    otLogInfoPlat("Socket file: %s is created", aPath);
+    return;
+}
+
+bool SocketInterface::IsSocketFileExisted(const char* aPath) {
+    struct stat st;
+    return stat(aPath, &st) == 0 && S_ISSOCK(st.st_mode);
+}
+
+}  // namespace threadnetwork
+}  // namespace hardware
+}  // namespace android
+}  // namespace aidl
diff --git a/threadnetwork/aidl/default/socket_interface.hpp b/threadnetwork/aidl/default/socket_interface.hpp
new file mode 100644
index 0000000..f88e926
--- /dev/null
+++ b/threadnetwork/aidl/default/socket_interface.hpp
@@ -0,0 +1,258 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @file
+ *   This file includes definitions for the Socket interface interface to radio
+ * (RCP).
+ */
+
+#include "lib/spinel/spinel_interface.hpp"
+#include "lib/url/url.hpp"
+
+namespace aidl {
+namespace android {
+namespace hardware {
+namespace threadnetwork {
+
+/**
+ * Defines a Socket interface to the Radio Co-processor (RCP)
+ *
+ */
+class SocketInterface : public ot::Spinel::SpinelInterface {
+  public:
+    /**
+     * Initializes the object.
+     *
+     * @param[in] aRadioUrl  RadioUrl parsed from radio url.
+     *
+     */
+    explicit SocketInterface(const ot::Url::Url& aRadioUrl);
+
+    /**
+     * This destructor deinitializes the object.
+     *
+     */
+    ~SocketInterface();
+
+    /**
+     * Initializes the interface to the Radio Co-processor (RCP)
+     *
+     * @note This method should be called before reading and sending Spinel
+     * frames to the interface.
+     *
+     * @param[in] aCallback         Callback on frame received
+     * @param[in] aCallbackContext  Callback context
+     * @param[in] aFrameBuffer      A reference to a `RxFrameBuffer` object.
+     *
+     * @retval OT_ERROR_NONE       The interface is initialized successfully
+     * @retval OT_ERROR_ALREADY    The interface is already initialized.
+     * @retval OT_ERROR_FAILED     Failed to initialize the interface.
+     *
+     */
+    otError Init(ReceiveFrameCallback aCallback, void* aCallbackContext,
+                 RxFrameBuffer& aFrameBuffer);
+
+    /**
+     * Deinitializes the interface to the RCP.
+     *
+     */
+    void Deinit(void);
+
+    /**
+     * Sends a Spinel frame to Radio Co-processor (RCP) over the
+     * socket.
+     *
+     * @param[in] aFrame     A pointer to buffer containing the Spinel frame to
+     * send.
+     * @param[in] aLength    The length (number of bytes) in the frame.
+     *
+     * @retval OT_ERROR_NONE     Successfully sent the Spinel frame.
+     * @retval OT_ERROR_FAILED   Failed to send a frame.
+     *
+     */
+    otError SendFrame(const uint8_t* aFrame, uint16_t aLength);
+
+    /**
+     * Waits for receiving part or all of Spinel frame within specified
+     * interval.
+     *
+     * @param[in]  aTimeout  The timeout value in microseconds.
+     *
+     * @retval OT_ERROR_NONE             Part or all of Spinel frame is
+     * received.
+     * @retval OT_ERROR_RESPONSE_TIMEOUT No Spinel frame is received within @p
+     * aTimeout.
+     * @retval OT_EXIT_FAILURE           RCP error
+     *
+     */
+    otError WaitForFrame(uint64_t aTimeoutUs);
+
+    /**
+     * Updates the file descriptor sets with file descriptors used by the radio
+     * driver.
+     *
+     * @param[in,out]   aMainloopContext  A pointer to the mainloop context
+     * containing fd_sets.
+     *
+     */
+    void UpdateFdSet(void* aMainloopContext);
+
+    /**
+     * Performs radio driver processing.
+     *
+     * @param[in]   aMainloopContext  A pointer to the mainloop context
+     * containing fd_sets.
+     *
+     */
+    void Process(const void* aMainloopContext);
+
+    /**
+     * Returns the bus speed between the host and the radio.
+     *
+     * @return   Bus speed in bits/second.
+     *
+     */
+    uint32_t GetBusSpeed(void) const { return 1000000; }
+
+    /**
+     * Hardware resets the RCP.
+     *
+     * @retval OT_ERROR_NONE            Successfully reset the RCP.
+     * @retval OT_ERROR_NOT_IMPLEMENT   The hardware reset is not implemented.
+     *
+     */
+    otError HardwareReset(void) { return OT_ERROR_NOT_IMPLEMENTED; }
+
+    /**
+     * Returns the RCP interface metrics.
+     *
+     * @return The RCP interface metrics.
+     *
+     */
+    const otRcpInterfaceMetrics* GetRcpInterfaceMetrics(void) const { return &mInterfaceMetrics; }
+
+    /**
+     * Indicates whether or not the given interface matches this interface name.
+     *
+     * @param[in] aInterfaceName A pointer to the interface name.
+     *
+     * @retval TRUE   The given interface name matches this interface name.
+     * @retval FALSE  The given interface name doesn't match this interface
+     * name.
+     */
+    static bool IsInterfaceNameMatch(const char* aInterfaceName) {
+        static const char kInterfaceName[] = "spinel+socket";
+        return (strncmp(aInterfaceName, kInterfaceName, strlen(kInterfaceName)) == 0);
+    }
+
+  private:
+    /**
+     * Instructs `SocketInterface` to read data from radio over the
+     * socket.
+     *
+     * If a full Spinel frame is received, this method invokes the
+     * `HandleSocketFrame()` (on the `aCallback` object from constructor) to
+     * pass the received frame to be processed.
+     *
+     */
+    void Read(void);
+
+    /**
+     * Writes a given frame to the socket.
+     *
+     * @param[in] aFrame  A pointer to buffer containing the frame to write.
+     * @param[in] aLength The length (number of bytes) in the frame.
+     *
+     */
+    void Write(const uint8_t* aFrame, uint16_t aLength);
+
+    /**
+     * Process received data.
+     *
+     * If a full frame is finished processing and we obtain the raw Spinel
+     * frame, this method invokes the `HandleSocketFrame()` (on the `aCallback`
+     * object from constructor) to pass the received frame to be processed.
+     *
+     * @param[in] aBuffer  A pointer to buffer containing data.
+     * @param[in] aLength  The length (number of bytes) in the buffer.
+     *
+     */
+    void ProcessReceivedData(const uint8_t* aBuffer, uint16_t aLength);
+
+    static void HandleSocketFrame(void* aContext, otError aError);
+    void HandleSocketFrame(otError aError);
+
+    /**
+     * Opens file specified by aRadioUrl.
+     *
+     * @param[in] aRadioUrl  A reference to object containing path to file and
+     * data for configuring the connection with tty type file.
+     *
+     * @retval The file descriptor of newly opened file.
+     * @retval -1 Fail to open file.
+     *
+     */
+    int OpenFile(const ot::Url::Url& aRadioUrl);
+
+    /**
+     * Closes file associated with the file descriptor.
+     *
+     */
+    void CloseFile(void);
+
+    /**
+     * Check if socket file is created.
+     *
+     * @param[in] aPath  Socket file path name.
+     *
+     * @retval TRUE The required socket file is created.
+     * @retval FALSE The required socket file is not created.
+     *
+     */
+    bool IsSocketFileExisted(const char* aPath);
+
+    /**
+     * Wait until the socket file is created.
+     *
+     * @param[in] aPath  Socket file path name.
+     *
+     */
+    void WaitForSocketFileCreated(const char* aPath);
+
+    enum {
+        kMaxSelectTimeMs = 2000,  ///< Maximum wait time in Milliseconds for file
+                                  ///< descriptor to become available.
+    };
+
+    ReceiveFrameCallback mReceiveFrameCallback;
+    void* mReceiveFrameContext;
+    RxFrameBuffer* mReceiveFrameBuffer;
+
+    int mSockFd;
+    const ot::Url::Url& mRadioUrl;
+
+    otRcpInterfaceMetrics mInterfaceMetrics;
+
+    // Non-copyable, intentionally not implemented.
+    SocketInterface(const SocketInterface&);
+    SocketInterface& operator=(const SocketInterface&);
+};
+
+}  // namespace threadnetwork
+}  // namespace hardware
+}  // namespace android
+}  // namespace aidl
diff --git a/threadnetwork/aidl/default/thread_chip.cpp b/threadnetwork/aidl/default/thread_chip.cpp
index ed34e63..d1e1d4c 100644
--- a/threadnetwork/aidl/default/thread_chip.cpp
+++ b/threadnetwork/aidl/default/thread_chip.cpp
@@ -24,6 +24,7 @@
 #include <utils/Log.h>
 
 #include "hdlc_interface.hpp"
+#include "socket_interface.hpp"
 #include "spi_interface.hpp"
 
 namespace aidl {
@@ -43,6 +44,8 @@
         mSpinelInterface = std::make_shared<ot::Posix::SpiInterface>(mUrl);
     } else if (ot::Posix::HdlcInterface::IsInterfaceNameMatch(interfaceName)) {
         mSpinelInterface = std::make_shared<ot::Posix::HdlcInterface>(mUrl);
+    } else if (SocketInterface::IsInterfaceNameMatch(interfaceName)) {
+        mSpinelInterface = std::make_shared<SocketInterface>(mUrl);
     } else {
         ALOGE("The interface \"%s\" is not supported", interfaceName);
         exit(EXIT_FAILURE);