diff --git a/src/descriptor.c b/src/descriptor.c
index 5a4f35a..c21cefe 100644
--- a/src/descriptor.c
+++ b/src/descriptor.c
@@ -265,6 +265,7 @@ static const dc_descriptor_t g_descriptors[] = {
 	{"Oceanic",  "Veo 4.0",             DC_FAMILY_OCEANIC_ATOM2, 0x4654, DC_TRANSPORT_SERIAL | DC_TRANSPORT_BLE, dc_filter_oceanic},
 	{"Sherwood", "Wisdom 4",            DC_FAMILY_OCEANIC_ATOM2, 0x4655, DC_TRANSPORT_SERIAL | DC_TRANSPORT_BLE, dc_filter_oceanic},
 	{"Oceanic",  "Pro Plus 4",          DC_FAMILY_OCEANIC_ATOM2, 0x4656, DC_TRANSPORT_SERIAL | DC_TRANSPORT_BLE, dc_filter_oceanic},
+	{"Sherwood", "Amphos 2.0",          DC_FAMILY_OCEANIC_ATOM2, 0x4657, DC_TRANSPORT_SERIAL, NULL},
 	{"Sherwood", "Beacon",              DC_FAMILY_OCEANIC_ATOM2, 0x4742, DC_TRANSPORT_SERIAL | DC_TRANSPORT_BLE, dc_filter_oceanic},
 	{"Aqualung", "i470TC",              DC_FAMILY_OCEANIC_ATOM2, 0x4743, DC_TRANSPORT_SERIAL | DC_TRANSPORT_BLE, dc_filter_oceanic},
 	/* Mares Nemo */
diff --git a/src/oceanic_atom2.c b/src/oceanic_atom2.c
index 5534780..63fdd64 100644
--- a/src/oceanic_atom2.c
+++ b/src/oceanic_atom2.c
@@ -459,6 +459,7 @@ static const oceanic_common_version_t versions[] = {
 	{"AMPHOAIR \0\0 512K", 0,      &tusa_zenair_layout},
 	{"VOYAGE2G \0\0 512K", 0,      &tusa_zenair_layout},
 	{"TUSTALIS \0\0 512K", 0,      &tusa_zenair_layout},
+	{"AMPHOS20 \0\0 512K", 0,      &tusa_zenair_layout},
 
 	{"REACPRO2 \0\0 512K", 0,      &oceanic_reactpro_layout},
 
diff --git a/src/oceanic_atom2_parser.c b/src/oceanic_atom2_parser.c
index 5a96c7c..9037d6f 100644
--- a/src/oceanic_atom2_parser.c
+++ b/src/oceanic_atom2_parser.c
@@ -97,6 +97,7 @@
 #define VEO40       0x4654
 #define WISDOM4     0x4655
 #define PROPLUS4    0x4656
+#define AMPHOS2     0x4657
 #define BEACON      0x4742
 #define I470TC      0x4743
 
@@ -312,6 +313,7 @@ oceanic_atom2_parser_get_datetime (dc_parser_t *abstract, dc_datetime_t *datetim
 		case AMPHOSAIR:
 		case VOYAGER2G:
 		case TALIS:
+		case AMPHOS2:
 			datetime->year   = (p[3] & 0x1F) + 2000;
 			datetime->month  = (p[7] & 0xF0) >> 4;
 			datetime->day    = ((p[3] & 0x80) >> 3) + ((p[5] & 0xF0) >> 4);
@@ -930,7 +932,8 @@ oceanic_atom2_parser_samples_foreach (dc_parser_t *abstract, dc_sample_callback_
 						parser->model == PROPLUS4 || parser->model == WISDOM4)
 						sign = (~data[offset + 5] & 0x04) >> 2;
 					else if (parser->model == VOYAGER2G || parser->model == AMPHOS ||
-						parser->model == AMPHOSAIR || parser->model == ZENAIR)
+						parser->model == AMPHOSAIR || parser->model == ZENAIR ||
+						parser->model == AMPHOS2)
 						sign = (data[offset + 5] & 0x04) >> 2;
 					else if (parser->model == ATOM2 || parser->model == PROPLUS21 ||
 						parser->model == EPICA || parser->model == EPICB ||