diff --git a/WaveshareUARTFingerprintSensor/Utils.cs b/WaveshareUARTFingerprintSensor/Utils.cs
index 4a15e8a..ccfaef1 100644
--- a/WaveshareUARTFingerprintSensor/Utils.cs
+++ b/WaveshareUARTFingerprintSensor/Utils.cs
@@ -9,7 +9,9 @@ namespace WaveshareUARTFingerprintSensor
     public static class Utils
     {
         public static ushort Merge(byte high, byte low) => (ushort)(high << 8 | low);
+        public static uint Merge(byte first, byte second, byte third) => (uint)(first << 16 | second << 8 | third);
 
         public static (byte high, byte low) Split(ushort value) => ((byte)(value >> 8), (byte)(value & 0xFF));
+        public static (byte first, byte second, byte third) Split(uint value) => ((byte)(value >> 16 & 0xFF), (byte)(value >> 8 & 0xFF), (byte)(value & 0xFF));
     }
 }