diff --git a/src/descriptor.c b/src/descriptor.c
index 86f8daf..c7ef8d8 100644
--- a/src/descriptor.c
+++ b/src/descriptor.c
@@ -222,11 +222,16 @@ static const dc_descriptor_t g_descriptors[] = {
 	{"Heinrichs Weikamp", "OSTC 2C",  DC_FAMILY_HW_OSTC, 3},
 	{"Heinrichs Weikamp", "Frog",     DC_FAMILY_HW_FROG, 0},
 	{"Heinrichs Weikamp", "OSTC 2",     DC_FAMILY_HW_OSTC3, 0x11},
+	{"Heinrichs Weikamp", "OSTC 2",     DC_FAMILY_HW_OSTC3, 0x13},
+	{"Heinrichs Weikamp", "OSTC 2",     DC_FAMILY_HW_OSTC3, 0x1B},
 	{"Heinrichs Weikamp", "OSTC 3",     DC_FAMILY_HW_OSTC3, 0x0A},
-	{"Heinrichs Weikamp", "OSTC 3",     DC_FAMILY_HW_OSTC3, 0x1A},
+	{"Heinrichs Weikamp", "OSTC 3+",    DC_FAMILY_HW_OSTC3, 0x13},
+	{"Heinrichs Weikamp", "OSTC 3+",    DC_FAMILY_HW_OSTC3, 0x1A},
 	{"Heinrichs Weikamp", "OSTC 4",     DC_FAMILY_HW_OSTC3, 0x3B},
 	{"Heinrichs Weikamp", "OSTC cR",    DC_FAMILY_HW_OSTC3, 0x05},
+	{"Heinrichs Weikamp", "OSTC cR",    DC_FAMILY_HW_OSTC3, 0x07},
 	{"Heinrichs Weikamp", "OSTC Sport", DC_FAMILY_HW_OSTC3, 0x12},
+	{"Heinrichs Weikamp", "OSTC Sport", DC_FAMILY_HW_OSTC3, 0x13},
 	/* Cressi Edy */
 	{"Tusa",   "IQ-700", DC_FAMILY_CRESSI_EDY, 0x05},
 	{"Cressi", "Edy",    DC_FAMILY_CRESSI_EDY, 0x08},