diff --git a/src/descriptor.c b/src/descriptor.c
index 339aecb..e5e7253 100644
--- a/src/descriptor.c
+++ b/src/descriptor.c
@@ -129,6 +129,7 @@ static const dc_descriptor_t g_descriptors[] = {
 	{"Uwatec",   "Aladin Sport",        DC_FAMILY_UWATEC_SMART, 0x15, DC_TRANSPORT_IRDA, dc_filter_uwatec},
 	{"Subgear",  "XP-3G",               DC_FAMILY_UWATEC_SMART, 0x15, DC_TRANSPORT_IRDA, dc_filter_uwatec},
 	{"Scubapro", "Aladin Sport Matrix", DC_FAMILY_UWATEC_SMART, 0x17, DC_TRANSPORT_BLE, dc_filter_uwatec},
+	{"Scubapro", "Aladin H Matrix",     DC_FAMILY_UWATEC_SMART, 0x17, DC_TRANSPORT_BLE, dc_filter_uwatec},
 	{"Uwatec",   "Smart Tec",           DC_FAMILY_UWATEC_SMART, 0x18, DC_TRANSPORT_IRDA, dc_filter_uwatec},
 	{"Uwatec",   "Galileo Trimix",      DC_FAMILY_UWATEC_SMART, 0x19, DC_TRANSPORT_IRDA, dc_filter_uwatec},
 	{"Uwatec",   "Smart Z",             DC_FAMILY_UWATEC_SMART, 0x1C, DC_TRANSPORT_IRDA, dc_filter_uwatec},
@@ -140,6 +141,7 @@ static const dc_descriptor_t g_descriptors[] = {
 	{"Scubapro", "Mantis 2",            DC_FAMILY_UWATEC_SMART, 0x26, DC_TRANSPORT_SERIAL, NULL},
 	{"Scubapro", "G2",                  DC_FAMILY_UWATEC_SMART, 0x32, DC_TRANSPORT_USBHID | DC_TRANSPORT_BLE, dc_filter_uwatec},
 	{"Scubapro", "G2 Console",          DC_FAMILY_UWATEC_SMART, 0x32, DC_TRANSPORT_USBHID | DC_TRANSPORT_BLE, dc_filter_uwatec},
+	{"Scubapro", "G2 HUD",              DC_FAMILY_UWATEC_SMART, 0x42, DC_TRANSPORT_USBHID | DC_TRANSPORT_BLE, dc_filter_uwatec},
 	/* Reefnet */
 	{"Reefnet", "Sensus",       DC_FAMILY_REEFNET_SENSUS, 1, DC_TRANSPORT_SERIAL, NULL},
 	{"Reefnet", "Sensus Pro",   DC_FAMILY_REEFNET_SENSUSPRO, 2, DC_TRANSPORT_SERIAL, NULL},
@@ -422,6 +424,7 @@ static int dc_filter_uwatec (dc_transport_t transport, const void *userdata)
 	static const dc_usb_desc_t usbhid[] = {
 		{0x2e6c, 0x3201}, // G2
 		{0x2e6c, 0x3211}, // G2 Console
+		{0x2e6c, 0x4201}, // G2 HUD
 		{0xc251, 0x2006}, // Aladin Square
 	};
 	static const char *bluetooth[] = {
diff --git a/src/oceanic_atom2_parser.c b/src/oceanic_atom2_parser.c
index bb07237..a32e95f 100644
--- a/src/oceanic_atom2_parser.c
+++ b/src/oceanic_atom2_parser.c
@@ -988,7 +988,7 @@ oceanic_atom2_parser_samples_foreach (dc_parser_t *abstract, dc_sample_callback_
 			unsigned int have_deco = 0;
 			unsigned int decostop = 0, decotime = 0;
 			if (parser->model == A300CS || parser->model == VTX ||
-				parser->model == I450T || parser->model == I750TC ||
+				parser->model == I750TC ||
 				parser->model == PROPLUSX || parser->model == I770R) {
 				decostop = (data[offset + 15] & 0x70) >> 4;
 				decotime = array_uint16_le(data + offset + 6) & 0x03FF;
@@ -1009,7 +1009,8 @@ oceanic_atom2_parser_samples_foreach (dc_parser_t *abstract, dc_sample_callback_
 			} else if (parser->model == I200 || parser->model == I300 ||
 				parser->model == OC1A || parser->model == OC1B ||
 				parser->model == OC1C || parser->model == OCI ||
-				parser->model == I100 || parser->model == I300C) {
+				parser->model == I100 || parser->model == I300C ||
+				parser->model == I450T) {
 				decostop = (data[offset + 7] & 0xF0) >> 4;
 				decotime = array_uint16_le(data + offset + 6) & 0x0FFF;
 				have_deco = 1;
diff --git a/src/uwatec_smart_parser.c b/src/uwatec_smart_parser.c
index fb41676..44b1e45 100644
--- a/src/uwatec_smart_parser.c
+++ b/src/uwatec_smart_parser.c
@@ -50,6 +50,7 @@
 #define CHROMIS           0x24
 #define MANTIS2           0x26
 #define G2                0x32
+#define G2HUD             0x42
 
 #define UNSUPPORTED 0xFFFFFFFF
 
@@ -529,7 +530,7 @@ uwatec_smart_parser_cache (uwatec_smart_parser_t *parser)
 					parser->model == ALADIN2G || parser->model == MERIDIAN ||
 					parser->model == CHROMIS || parser->model == MANTIS2 ||
 					parser->model == G2 || parser->model == ALADINSPORTMATRIX ||
-					parser->model == ALADINSQUARE) {
+					parser->model == ALADINSQUARE || parser->model == G2HUD) {
 					unsigned int offset = header->tankpressure + 2 * i;
 					endpressure   = array_uint16_le(data + offset);
 					beginpressure = array_uint16_le(data + offset + 2 * header->ngases);
@@ -620,6 +621,7 @@ uwatec_smart_parser_create (dc_parser_t **out, dc_context_t *context, unsigned i
 		parser->nevents[2] = C_ARRAY_SIZE (uwatec_smart_galileo_events_2);
 		break;
 	case G2:
+	case G2HUD:
 	case ALADINSPORTMATRIX:
 		parser->headersize = 84;
 		parser->header = &uwatec_smart_trimix_header;
@@ -963,7 +965,7 @@ uwatec_smart_parse (uwatec_smart_parser_t *parser, dc_sample_callback_t callback
 			parser->model == ALADIN2G || parser->model == MERIDIAN ||
 			parser->model == CHROMIS || parser->model == MANTIS2 ||
 			parser->model == G2 || parser->model == ALADINSPORTMATRIX ||
-			parser->model == ALADINSQUARE) {
+			parser->model == ALADINSQUARE || parser->model == G2HUD) {
 			// Uwatec Galileo
 			id = uwatec_galileo_identify (data[offset]);
 		} else {