diff --git a/drivers/oplink/src/main/java/org/onosproject/drivers/oplink/OplinkOpticalLambdaQuery.java b/drivers/oplink/src/main/java/org/onosproject/drivers/oplink/OplinkOpticalLambdaQuery.java
new file mode 100644
index 0000000..a28d04d
--- /dev/null
+++ b/drivers/oplink/src/main/java/org/onosproject/drivers/oplink/OplinkOpticalLambdaQuery.java
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2016 Open Networking Laboratory
+ *
+ * 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.
+ */
+
+package org.onosproject.drivers.oplink;
+
+import org.onlab.util.GuavaCollectors;
+import org.onosproject.net.OchSignal;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.behaviour.LambdaQuery;
+import org.onosproject.net.driver.AbstractHandlerBehaviour;
+
+import java.util.Set;
+import java.util.stream.IntStream;
+
+import static org.onlab.util.Spectrum.CENTER_FREQUENCY;
+import static org.onosproject.drivers.oplink.OplinkOpticalUtility.CHANNEL_SPACING;
+import static org.onosproject.drivers.oplink.OplinkOpticalUtility.STOP_CENTER_FREQ;
+import static org.onosproject.drivers.oplink.OplinkOpticalUtility.START_CENTER_FREQ;
+
+/**
+ * Lambda query implementation for Oplink netconf devices in C band.
+ *
+ * 96 lambdas with 50GHz width (fixed grid).
+ *
+ * Channel id: Nominal central frequency = 193100 GHz + spacingMultiplier * channelSpacing).
+ * Channel (-35 to 60): starting from 191350 GHz to 196100 GHz, Increment by 50GHz.
+ */
+public class OplinkOpticalLambdaQuery extends AbstractHandlerBehaviour implements LambdaQuery {
+
+    private static final int MIN_CHANNEL = (int) Math.round(
+            START_CENTER_FREQ.subtract(CENTER_FREQUENCY).asHz() / CHANNEL_SPACING.frequency().asHz());
+    private static final int MAX_CHANNEL = (int) Math.round(
+            STOP_CENTER_FREQ.subtract(CENTER_FREQUENCY).asHz() / CHANNEL_SPACING.frequency().asHz());
+
+    @Override
+    public Set<OchSignal> queryLambdas(PortNumber port) {
+        return IntStream.rangeClosed(MIN_CHANNEL, MAX_CHANNEL)
+                .mapToObj(x -> OchSignal.newDwdmSlot(CHANNEL_SPACING, x))
+                .collect(GuavaCollectors.toImmutableSet());
+    }
+}