diff --git a/broadcastradio/common/tests/IdentifierIterator_test.cpp b/broadcastradio/common/tests/IdentifierIterator_test.cpp
index 5bf222b..75e0d49 100644
--- a/broadcastradio/common/tests/IdentifierIterator_test.cpp
+++ b/broadcastradio/common/tests/IdentifierIterator_test.cpp
@@ -33,8 +33,8 @@
     };
     // clang-format on
 
-    auto it = utils::begin(sel);
-    auto end = utils::end(sel);
+    auto it = V2_0::begin(sel);
+    auto end = V2_0::end(sel);
 
     ASSERT_NE(end, it);
     EXPECT_EQ(sel.primaryId, *it);
@@ -46,8 +46,8 @@
 TEST(IdentifierIteratorTest, empty) {
     V2_0::ProgramSelector sel{};
 
-    auto it = utils::begin(sel);
-    auto end = utils::end(sel);
+    auto it = V2_0::begin(sel);
+    auto end = V2_0::end(sel);
 
     ASSERT_NE(end, it++);  // primary id is always present
     ASSERT_EQ(end, it);
@@ -57,8 +57,8 @@
     V2_0::ProgramSelector sel1{};
     V2_0::ProgramSelector sel2{};
 
-    auto it1 = utils::begin(sel1);
-    auto it2 = utils::begin(sel2);
+    auto it1 = V2_0::begin(sel1);
+    auto it2 = V2_0::begin(sel2);
 
     EXPECT_NE(it1, it2);
 }
@@ -66,8 +66,8 @@
 TEST(IdentifierIteratorTest, increments) {
     V2_0::ProgramSelector sel{{}, {{}, {}}};
 
-    auto it = utils::begin(sel);
-    auto end = utils::end(sel);
+    auto it = V2_0::begin(sel);
+    auto end = V2_0::end(sel);
     auto pre = it;
     auto post = it;
 
@@ -102,8 +102,8 @@
     auto isRdsPi = std::bind(typeEquals, _1, IdentifierType::RDS_PI);
     auto isFreq = std::bind(typeEquals, _1, IdentifierType::AMFM_FREQUENCY);
 
-    auto end = utils::end(sel);
-    auto it = std::find_if(utils::begin(sel), end, isRdsPi);
+    auto end = V2_0::end(sel);
+    auto it = std::find_if(V2_0::begin(sel), end, isRdsPi);
     ASSERT_NE(end, it);
     EXPECT_EQ(rds_pi1, it->value);
 
@@ -111,7 +111,7 @@
     ASSERT_NE(end, it);
     EXPECT_EQ(rds_pi2, it->value);
 
-    it = std::find_if(utils::begin(sel), end, isFreq);
+    it = std::find_if(V2_0::begin(sel), end, isFreq);
     ASSERT_NE(end, it);
     EXPECT_EQ(freq1, it->value);
 
@@ -120,4 +120,17 @@
     EXPECT_EQ(freq2, it->value);
 }
 
+TEST(IdentifierIteratorTest, rangeLoop) {
+    V2_0::ProgramSelector sel{{}, {{}, {}, {}}};
+
+    unsigned count = 0;
+    for (auto&& id : sel) {
+        ASSERT_EQ(0u, id.type);
+        count++;
+    }
+
+    const auto expectedCount = 1 + sel.secondaryIds.size();
+    ASSERT_EQ(expectedCount, count);
+}
+
 }  // anonymous namespace
diff --git a/broadcastradio/common/utils2x/Utils.cpp b/broadcastradio/common/utils2x/Utils.cpp
index 6fe9554..3e20b35 100644
--- a/broadcastradio/common/utils2x/Utils.cpp
+++ b/broadcastradio/common/utils2x/Utils.cpp
@@ -81,14 +81,6 @@
     return mPos == rhs.mPos;
 }
 
-IdentifierIterator begin(const V2_0::ProgramSelector& sel) {
-    return IdentifierIterator(sel);
-}
-
-IdentifierIterator end(const V2_0::ProgramSelector& sel) {
-    return IdentifierIterator(sel) + 1 /* primary id */ + sel.secondaryIds.size();
-}
-
 FrequencyBand getBand(uint64_t freq) {
     // keep in sync with
     // frameworks/base/services/core/java/com/android/server/broadcastradio/hal2/Utils.java
@@ -411,6 +403,18 @@
 }
 
 }  // namespace utils
+
+namespace V2_0 {
+
+utils::IdentifierIterator begin(const ProgramSelector& sel) {
+    return utils::IdentifierIterator(sel);
+}
+
+utils::IdentifierIterator end(const ProgramSelector& sel) {
+    return utils::IdentifierIterator(sel) + 1 /* primary id */ + sel.secondaryIds.size();
+}
+
+}  // namespace V2_0
 }  // namespace broadcastradio
 }  // namespace hardware
 }  // namespace android
diff --git a/broadcastradio/common/utils2x/include/broadcastradio-utils-2x/Utils.h b/broadcastradio/common/utils2x/include/broadcastradio-utils-2x/Utils.h
index 5e51941..c4aecb2 100644
--- a/broadcastradio/common/utils2x/include/broadcastradio-utils-2x/Utils.h
+++ b/broadcastradio/common/utils2x/include/broadcastradio-utils-2x/Utils.h
@@ -69,9 +69,6 @@
     size_t mPos = 0;
 };
 
-IdentifierIterator begin(const V2_0::ProgramSelector& sel);
-IdentifierIterator end(const V2_0::ProgramSelector& sel);
-
 /**
  * Guesses band from the frequency value.
  *
@@ -153,6 +150,13 @@
 V2_0::ProgramIdentifier make_hdradio_station_name(const std::string& name);
 
 }  // namespace utils
+
+namespace V2_0 {
+
+utils::IdentifierIterator begin(const ProgramSelector& sel);
+utils::IdentifierIterator end(const ProgramSelector& sel);
+
+}  // namespace V2_0
 }  // namespace broadcastradio
 }  // namespace hardware
 }  // namespace android