2 files changed, 4 insertions, 1 deletions
diff --git a/src/main/java/org/traccar/protocol/T800xProtocolDecoder.java b/src/main/java/org/traccar/protocol/T800xProtocolDecoder.java
index 4ddea730c..a1093fc32 100644
--- a/src/main/java/org/traccar/protocol/T800xProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/T800xProtocolDecoder.java
@@ -391,7 +391,7 @@ public class T800xProtocolDecoder extends BaseProtocolDecoder {
                 for (int i = 1; i <= adcCount; i++) {
                     String value = ByteBufUtil.hexDump(buf.readSlice(2));
                     if (!value.equals("ffff")) {
-                        position.set(Position.PREFIX_ADC + i, Integer.parseInt(value) * 0.01);
+                        position.set(Position.PREFIX_ADC + i, Integer.parseInt(value, 16) * 0.01);
                     }
                 }
             }
diff --git a/src/test/java/org/traccar/protocol/T800xProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/T800xProtocolDecoderTest.java
index 3f62a834c..468751e1b 100644
--- a/src/test/java/org/traccar/protocol/T800xProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/T800xProtocolDecoderTest.java
@@ -12,6 +12,9 @@ public class T800xProtocolDecoderTest extends ProtocolTest {
         var decoder = inject(new T800xProtocolDecoder(null));
 
         verifyAttributes(decoder, binary(
+                "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"));
+
+        verifyAttributes(decoder, binary(
                 "272704004901380864112055585747c612230321220006000036435fc8acc2ee600f420000000000000000909019003900001356a18000012c0000a8c00000001e20d4800000c00000"));
 
         verifyAttributes(decoder, binary(