diff --git a/internal/processor/artnet-packet-filter_test.go b/internal/processor/artnet-packet-filter_test.go
new file mode 100644
index 0000000..a7ddbd5
--- /dev/null
+++ b/internal/processor/artnet-packet-filter_test.go
@@ -0,0 +1,239 @@
+package processor_test
+
+import (
+	"reflect"
+	"testing"
+
+	"github.com/jwetzell/artnet-go"
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/processor"
+)
+
+func TestArtnetPacketFilterFromRegistry(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["artnet.packet.filter"]
+	if !ok {
+		t.Fatalf("artnet.packet.filter processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "artnet.packet.filter",
+		Params: map[string]any{
+			"opCode": float64(artnet.OpTimeCode),
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create artnet.packet.filter processor: %s", err)
+	}
+
+	if processorInstance.Type() != "artnet.packet.filter" {
+		t.Fatalf("artnet.packet.filter processor has wrong type: %s", processorInstance.Type())
+	}
+
+	payload := &artnet.ArtTimeCode{
+		ID:        []byte{'A', 'r', 't', '-', 'N', 'e', 't', 0x00},
+		OpCode:    artnet.OpTimeCode,
+		ProtVerHi: 0,
+		ProtVerLo: 14,
+		Filler1:   0,
+		StreamId:  0,
+		Frames:    11,
+		Seconds:   17,
+		Minutes:   3,
+		Hours:     0,
+		Type:      0,
+	}
+	expected := &artnet.ArtTimeCode{
+		ID:        []byte{'A', 'r', 't', '-', 'N', 'e', 't', 0x00},
+		OpCode:    artnet.OpTimeCode,
+		ProtVerHi: 0,
+		ProtVerLo: 14,
+		Filler1:   0,
+		StreamId:  0,
+		Frames:    11,
+		Seconds:   17,
+		Minutes:   3,
+		Hours:     0,
+		Type:      0,
+	}
+
+	got, err := processorInstance.Process(t.Context(), payload)
+	if err != nil {
+		t.Fatalf("artnet.packet.filter processing failed: %s", err)
+	}
+
+	if !reflect.DeepEqual(got, expected) {
+		t.Fatalf("artnet.packet.filter got %+v, expected %+v", got, expected)
+	}
+}
+
+func TestGoodArtnetPacketFilter(t *testing.T) {
+
+	tests := []struct {
+		name     string
+		payload  any
+		opCode   uint16
+		expected artnet.ArtNetPacket
+	}{
+		{
+			name: "tiemcode packet with matching opCode",
+			payload: &artnet.ArtTimeCode{
+				ID:        []byte{'A', 'r', 't', '-', 'N', 'e', 't', 0x00},
+				OpCode:    artnet.OpTimeCode,
+				ProtVerHi: 0,
+				ProtVerLo: 14,
+				Filler1:   0,
+				StreamId:  0,
+				Frames:    11,
+				Seconds:   17,
+				Minutes:   3,
+				Hours:     0,
+				Type:      0,
+			},
+			opCode: artnet.OpTimeCode,
+			expected: &artnet.ArtTimeCode{
+				ID:        []byte{'A', 'r', 't', '-', 'N', 'e', 't', 0x00},
+				OpCode:    artnet.OpTimeCode,
+				ProtVerHi: 0,
+				ProtVerLo: 14,
+				Filler1:   0,
+				StreamId:  0,
+				Frames:    11,
+				Seconds:   17,
+				Minutes:   3,
+				Hours:     0,
+				Type:      0,
+			},
+		},
+		{
+			name: "tiemcode packet with mismatching opCode",
+			payload: &artnet.ArtTimeCode{
+				ID:        []byte{'A', 'r', 't', '-', 'N', 'e', 't', 0x00},
+				OpCode:    artnet.OpTimeCode,
+				ProtVerHi: 0,
+				ProtVerLo: 14,
+				Filler1:   0,
+				StreamId:  0,
+				Frames:    11,
+				Seconds:   17,
+				Minutes:   3,
+				Hours:     0,
+				Type:      0,
+			},
+			opCode:   artnet.OpDmx,
+			expected: nil,
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			artnetPacketFilter := processor.ArtNetPacketFilter{
+				OpCode: test.opCode,
+			}
+			got, err := artnetPacketFilter.Process(t.Context(), test.payload)
+
+			if err != nil {
+				t.Fatalf("artnet.packet.filter failed: %s", err)
+			}
+
+			if test.expected == nil {
+				if got != nil {
+					t.Fatalf("artnet.packet.filter got %+v, expected nil", got)
+				}
+				return
+			}
+
+			gotPacket, ok := got.(artnet.ArtNetPacket)
+			if !ok {
+				t.Fatalf("artnet.packet.filter returned a %T payload: %s", got, got)
+			}
+
+			if !reflect.DeepEqual(gotPacket, test.expected) {
+				t.Fatalf("artnet.packet.filter got %+v, expected %+v", gotPacket, test.expected)
+			}
+		})
+	}
+}
+
+func TestBadArtnetPacketFilter(t *testing.T) {
+	tests := []struct {
+		name        string
+		payload     any
+		params      map[string]any
+		errorString string
+	}{
+		{
+			name:        "non-artnet input",
+			payload:     []byte{0x01},
+			params:      map[string]any{"opCode": float64(artnet.OpTimeCode)},
+			errorString: "artnet.packet.filter processor only accepts an ArtNetPacket",
+		},
+		{
+			name: "no opCode param",
+			payload: &artnet.ArtTimeCode{
+				ID:        []byte{'A', 'r', 't', '-', 'N', 'e', 't', 0x00},
+				OpCode:    artnet.OpTimeCode,
+				ProtVerHi: 0,
+				ProtVerLo: 14,
+				Filler1:   0,
+				StreamId:  0,
+				Frames:    11,
+				Seconds:   17,
+				Minutes:   3,
+				Hours:     0,
+				Type:      0,
+			},
+			params:      map[string]any{},
+			errorString: "artnet.packet.filter requires an opCode parameter",
+		},
+		{
+			name: "opCode not a number",
+			payload: &artnet.ArtTimeCode{
+				ID:        []byte{'A', 'r', 't', '-', 'N', 'e', 't', 0x00},
+				OpCode:    artnet.OpTimeCode,
+				ProtVerHi: 0,
+				ProtVerLo: 14,
+				Filler1:   0,
+				StreamId:  0,
+				Frames:    11,
+				Seconds:   17,
+				Minutes:   3,
+				Hours:     0,
+				Type:      0,
+			},
+			params:      map[string]any{"opCode": "100"},
+			errorString: "artnet.packet.filter opCode must be a number",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			registration, ok := processor.ProcessorRegistry["artnet.packet.filter"]
+			if !ok {
+				t.Fatalf("artnet.packet.filter processor not registered")
+			}
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "artnet.packet.filter",
+				Params: test.params,
+			})
+
+			if err != nil {
+				if test.errorString != err.Error() {
+					t.Fatalf("artnet.packet.filter got error '%s', expected '%s'", err.Error(), test.errorString)
+				}
+				return
+			}
+
+			got, err := processorInstance.Process(t.Context(), test.payload)
+
+			if err == nil {
+				t.Fatalf("artnet.packet.filter expected to fail but got payload: %s", got)
+			}
+
+			if err.Error() != test.errorString {
+				t.Fatalf("artnet.packet.filter got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}