diff --git a/include/osmo-bts/pcuif_proto.h b/include/osmo-bts/pcuif_proto.h
index 15e3e203b..04936af0d 100644
--- a/include/osmo-bts/pcuif_proto.h
+++ b/include/osmo-bts/pcuif_proto.h
@@ -7,7 +7,7 @@
 
 #define PCU_SOCK_DEFAULT	"/tmp/pcu_bts"
 
-#define PCU_IF_VERSION		0x0b
+#define PCU_IF_VERSION		0x0c
 #define TXT_MAX_LEN	128
 
 /* msg_type */
@@ -57,6 +57,17 @@
 #define PCU_IF_ADDR_TYPE_IPV4	0x04	/* IPv4 address */
 #define PCU_IF_ADDR_TYPE_IPV6	0x29	/* IPv6 address */
 
+/* BTS model */
+enum gsm_pcuif_bts_model {
+	PCU_IF_BTS_MODEL_UNSPEC,
+	PCU_IF_BTS_MODEL_LC15,
+	PCU_IF_BTS_MODEL_OC2G,
+	PCU_IF_BTS_MODEL_OCTPHY,
+	PCU_IF_BTS_MODEL_SYSMO,
+	PCU_IF_BTS_MODEL_TRX,
+	PCU_IF_BTS_MODEL_RBS,
+};
+
 #define PCU_IF_NUM_NSVC 2
 #define PCU_IF_NUM_TRX 8
 
@@ -170,6 +181,7 @@ struct gsm_pcu_if_info_ind {
 		struct in_addr v4;
 		struct in6_addr v6;
 	} remote_ip[PCU_IF_NUM_NSVC];
+	uint8_t		bts_model; /* enum gsm_pcuif_bts_model */
 } __attribute__ ((packed));
 
 struct gsm_pcu_if_act_req {
diff --git a/src/common/pcu_sock.c b/src/common/pcu_sock.c
index 6116c9ef3..048e76681 100644
--- a/src/common/pcu_sock.c
+++ b/src/common/pcu_sock.c
@@ -230,6 +230,25 @@ static void info_ind_fill_trx(struct gsm_pcu_if_info_trx *trx_info,
 	}
 }
 
+static enum gsm_pcuif_bts_model bts_model_from_variant(enum gsm_bts_type_variant variant)
+{
+	switch (variant) {
+	case BTS_OSMO_LITECELL15:
+		return PCU_IF_BTS_MODEL_LC15;
+	case BTS_OSMO_OC2G:
+		return PCU_IF_BTS_MODEL_OC2G;
+	case BTS_OSMO_OCTPHY:
+		return PCU_IF_BTS_MODEL_OCTPHY;
+	case BTS_OSMO_SYSMO:
+		return PCU_IF_BTS_MODEL_SYSMO;
+	case BTS_OSMO_TRX:
+	case BTS_OSMO_VIRTUAL:
+		return PCU_IF_BTS_MODEL_TRX;
+	default:
+		return PCU_IF_BTS_MODEL_UNSPEC;
+	}
+}
+
 int pcu_tx_info_ind(void)
 {
 	struct msgb *msg;
@@ -358,6 +377,8 @@ int pcu_tx_info_ind(void)
 		info_ind_fill_trx(&info_ind->trx[trx->nr], trx);
 	}
 
+	info_ind->bts_model = bts_model_from_variant(bts->variant);
+
 	return pcu_sock_send(msg);
 }