diff --git a/tv/tuner/1.0/default/Lnb.cpp b/tv/tuner/1.0/default/Lnb.cpp
index 51931d6..6025339 100644
--- a/tv/tuner/1.0/default/Lnb.cpp
+++ b/tv/tuner/1.0/default/Lnb.cpp
@@ -27,6 +27,9 @@
 namespace implementation {
 
 Lnb::Lnb() {}
+Lnb::Lnb(int id) {
+    mId = id;
+}
 
 Lnb::~Lnb() {}
 
@@ -66,9 +69,13 @@
     return Result::SUCCESS;
 }
 
+int Lnb::getId() {
+    return mId;
+}
+
 }  // namespace implementation
 }  // namespace V1_0
 }  // namespace tuner
 }  // namespace tv
 }  // namespace hardware
-}  // namespace android
\ No newline at end of file
+}  // namespace android
diff --git a/tv/tuner/1.0/default/Lnb.h b/tv/tuner/1.0/default/Lnb.h
index f285cb9..1e97214 100644
--- a/tv/tuner/1.0/default/Lnb.h
+++ b/tv/tuner/1.0/default/Lnb.h
@@ -38,6 +38,7 @@
 class Lnb : public ILnb {
   public:
     Lnb();
+    Lnb(int id);
 
     virtual Return<Result> setCallback(const sp<ILnbCallback>& callback) override;
 
@@ -51,7 +52,10 @@
 
     virtual Return<Result> close() override;
 
+    int getId();
+
   private:
+    int mId;
     virtual ~Lnb();
 };
 
@@ -62,4 +66,4 @@
 }  // namespace hardware
 }  // namespace android
 
-#endif  // ANDROID_HARDWARE_TV_TUNER_V1_0_LNB_H_
\ No newline at end of file
+#endif  // ANDROID_HARDWARE_TV_TUNER_V1_0_LNB_H_
diff --git a/tv/tuner/1.0/default/Tuner.cpp b/tv/tuner/1.0/default/Tuner.cpp
index e39333c..27a67bf 100644
--- a/tv/tuner/1.0/default/Tuner.cpp
+++ b/tv/tuner/1.0/default/Tuner.cpp
@@ -88,6 +88,10 @@
     caps = FrontendInfo::FrontendCapabilities();
     caps.atscCaps(FrontendAtscCapabilities());
     mFrontendCaps[7] = caps;
+
+    mLnbs.resize(2);
+    mLnbs[0] = new Lnb(0);
+    mLnbs[1] = new Lnb(1);
 }
 
 Tuner::~Tuner() {}
@@ -194,17 +198,24 @@
     ALOGV("%s", __FUNCTION__);
 
     vector<LnbId> lnbIds;
+    lnbIds.resize(mLnbs.size());
+    for (int i = 0; i < lnbIds.size(); i++) {
+        lnbIds[i] = mLnbs[i]->getId();
+    }
 
     _hidl_cb(Result::SUCCESS, lnbIds);
     return Void();
 }
 
-Return<void> Tuner::openLnbById(LnbId /* lnbId */, openLnbById_cb _hidl_cb) {
+Return<void> Tuner::openLnbById(LnbId lnbId, openLnbById_cb _hidl_cb) {
     ALOGV("%s", __FUNCTION__);
 
-    sp<ILnb> lnb = new Lnb();
+    if (lnbId >= mLnbs.size()) {
+        _hidl_cb(Result::INVALID_ARGUMENT, nullptr);
+        return Void();
+    }
 
-    _hidl_cb(Result::SUCCESS, lnb);
+    _hidl_cb(Result::SUCCESS, mLnbs[lnbId]);
     return Void();
 }
 
diff --git a/tv/tuner/1.0/default/Tuner.h b/tv/tuner/1.0/default/Tuner.h
index d17b5ae..3f2d60d 100644
--- a/tv/tuner/1.0/default/Tuner.h
+++ b/tv/tuner/1.0/default/Tuner.h
@@ -21,6 +21,7 @@
 #include <map>
 #include "Demux.h"
 #include "Frontend.h"
+#include "Lnb.h"
 
 using namespace std;
 
@@ -76,6 +77,7 @@
     // The last used demux id. Initial value is -1.
     // First used id will be 0.
     int mLastUsedId = -1;
+    vector<sp<Lnb>> mLnbs;
 };
 
 }  // namespace implementation