diff --git a/dexcom/device.go b/dexcom/device.go
index 158ae56bb..0934e5dba 100644
--- a/dexcom/device.go
+++ b/dexcom/device.go
@@ -37,6 +37,7 @@ const (
 	DeviceTransmitterGenerationG6Plus  = "g6+"
 	DeviceTransmitterGenerationPro     = "dexcomPro"
 	DeviceTransmitterGenerationG7      = "g7"
+	DeviceTransmitterGenerationG715Day = "g715day"
 )
 
 func DeviceDisplayDevices() []string {
@@ -71,6 +72,7 @@ func DeviceTransmitterGenerations() []string {
 		DeviceTransmitterGenerationG6Plus,
 		DeviceTransmitterGenerationPro,
 		DeviceTransmitterGenerationG7,
+		DeviceTransmitterGenerationG715Day,
 	}
 }
 
diff --git a/dexcom/device_test.go b/dexcom/device_test.go
index c5d69acb0..b77c95a71 100644
--- a/dexcom/device_test.go
+++ b/dexcom/device_test.go
@@ -109,6 +109,10 @@ var _ = Describe("Device", func() {
 		Expect(dexcom.DeviceTransmitterGenerationG7).To(Equal("g7"))
 	})
 
+	It("DeviceTransmitterGenerationG715Day returns expected", func() {
+		Expect(dexcom.DeviceTransmitterGenerationG715Day).To(Equal("g715day"))
+	})
+
 	It("DeviceDisplayDevices returns expected", func() {
 		Expect(dexcom.DeviceDisplayDevices()).To(Equal([]string{"unknown", "android", "iOS", "receiver", "shareReceiver", "touchscreenReceiver"}))
 	})
@@ -118,7 +122,7 @@ var _ = Describe("Device", func() {
 	})
 
 	It("DeviceTransmitterGenerations returns expected", func() {
-		Expect(dexcom.DeviceTransmitterGenerations()).To(Equal([]string{"unknown", "g4", "g5", "g6", "g6 pro", "g6+", "dexcomPro", "g7"}))
+		Expect(dexcom.DeviceTransmitterGenerations()).To(Equal([]string{"unknown", "g4", "g5", "g6", "g6 pro", "g6+", "dexcomPro", "g7", "g715day"}))
 	})
 
 	Context("ParseDevicesResponse", func() {
diff --git a/dexcom/fetch/translate.go b/dexcom/fetch/translate.go
index daede9e47..d1ff5a61c 100644
--- a/dexcom/fetch/translate.go
+++ b/dexcom/fetch/translate.go
@@ -680,6 +680,8 @@ func TranslateDeviceIDPrefixFromTransmitterGeneration(transmitterGeneration *str
 		return pointer.FromString("DexcomPro")
 	case dexcom.DeviceTransmitterGenerationG7:
 		return pointer.FromString("DexcomG7")
+	case dexcom.DeviceTransmitterGenerationG715Day:
+		return pointer.FromString("DexcomG7-15Day")
 	default:
 		return nil
 	}
diff --git a/dexcom/fetch/translate_test.go b/dexcom/fetch/translate_test.go
index ad7bc7307..e5d29077e 100644
--- a/dexcom/fetch/translate_test.go
+++ b/dexcom/fetch/translate_test.go
@@ -374,6 +374,7 @@ var _ = Describe("Translate", func() {
 			Entry("DeviceTransmitterGenerationG6Plus", dexcom.DeviceTransmitterGenerationG6Plus, "DexcomG6Plus"),
 			Entry("DeviceTransmitterGenerationPro", dexcom.DeviceTransmitterGenerationPro, "DexcomPro"),
 			Entry("DeviceTransmitterGenerationG7", dexcom.DeviceTransmitterGenerationG7, "DexcomG7"),
+			Entry("DeviceTransmitterGenerationG715Day", dexcom.DeviceTransmitterGenerationG715Day, "DexcomG7-15Day"),
 		)
 	})