diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c
index cdf5d2a4f763..47dafefedf79 100644
--- a/drivers/net/ieee802154/at86rf230.c
+++ b/drivers/net/ieee802154/at86rf230.c
@@ -1066,24 +1066,24 @@ at86rf212_set_channel(struct at86rf230_local *lp, u8 page, u8 channel)
 	if (channel == 0) {
 		if (page == 0) {
 			/* SUB:0 and BPSK:0 -> BPSK-20 */
-			lp->hw->phy->symbol_duration = 50;
+			lp->hw->phy->symbol_duration = 50 * 1000;
 		} else {
 			/* SUB:1 and BPSK:0 -> BPSK-40 */
-			lp->hw->phy->symbol_duration = 25;
+			lp->hw->phy->symbol_duration = 25 * 1000;
 		}
 	} else {
 		if (page == 0)
 			/* SUB:0 and BPSK:1 -> OQPSK-100/200/400 */
-			lp->hw->phy->symbol_duration = 40;
+			lp->hw->phy->symbol_duration = 40 * 1000;
 		else
 			/* SUB:1 and BPSK:1 -> OQPSK-250/500/1000 */
-			lp->hw->phy->symbol_duration = 16;
+			lp->hw->phy->symbol_duration = 16 * 1000;
 	}
 
-	lp->hw->phy->lifs_period = IEEE802154_LIFS_PERIOD *
-				   lp->hw->phy->symbol_duration;
-	lp->hw->phy->sifs_period = IEEE802154_SIFS_PERIOD *
-				   lp->hw->phy->symbol_duration;
+	lp->hw->phy->lifs_period =
+		(IEEE802154_LIFS_PERIOD * lp->hw->phy->symbol_duration) / 1000;
+	lp->hw->phy->sifs_period =
+		(IEEE802154_SIFS_PERIOD * lp->hw->phy->symbol_duration) / 1000;
 
 	return at86rf230_write_subreg(lp, SR_CHANNEL, channel);
 }
@@ -1561,7 +1561,7 @@ at86rf230_detect_device(struct at86rf230_local *lp)
 		lp->hw->phy->supported.page[0].nchunks = 1;
 		lp->hw->phy->supported.page[0].chunk[0].channels = 0x7FFF800;
 		lp->hw->phy->current_channel = 11;
-		lp->hw->phy->symbol_duration = 16;
+		lp->hw->phy->symbol_duration = 16 * 1000;
 		lp->hw->phy->supported.tx_powers = at86rf231_powers;
 		lp->hw->phy->supported.tx_powers_size = ARRAY_SIZE(at86rf231_powers);
 		lp->hw->phy->supported.cca_ed_levels = at86rf231_ed_levels;
@@ -1576,7 +1576,7 @@ at86rf230_detect_device(struct at86rf230_local *lp)
 		lp->hw->phy->supported.page[2].nchunks = 1;
 		lp->hw->phy->supported.page[2].chunk[0].channels = 0x00007FF;
 		lp->hw->phy->current_channel = 5;
-		lp->hw->phy->symbol_duration = 25;
+		lp->hw->phy->symbol_duration = 25 * 1000;
 		lp->hw->phy->supported.lbt = NL802154_SUPPORTED_BOOL_BOTH;
 		lp->hw->phy->supported.tx_powers = at86rf212_powers;
 		lp->hw->phy->supported.tx_powers_size = ARRAY_SIZE(at86rf212_powers);
@@ -1589,7 +1589,7 @@ at86rf230_detect_device(struct at86rf230_local *lp)
 		lp->hw->phy->supported.page[0].nchunks = 1;
 		lp->hw->phy->supported.page[0].chunk[0].channels = 0x7FFF800;
 		lp->hw->phy->current_channel = 13;
-		lp->hw->phy->symbol_duration = 16;
+		lp->hw->phy->symbol_duration = 16 * 1000;
 		lp->hw->phy->supported.tx_powers = at86rf233_powers;
 		lp->hw->phy->supported.tx_powers_size = ARRAY_SIZE(at86rf233_powers);
 		lp->hw->phy->supported.cca_ed_levels = at86rf233_ed_levels;
diff --git a/drivers/net/ieee802154/atusb.c b/drivers/net/ieee802154/atusb.c
index 38ebfacf2698..099113bd4a26 100644
--- a/drivers/net/ieee802154/atusb.c
+++ b/drivers/net/ieee802154/atusb.c
@@ -678,24 +678,24 @@ static int hulusb_set_channel(struct ieee802154_hw *hw, u8 page, u8 channel)
 	if (channel == 0) {
 		if (page == 0) {
 			/* SUB:0 and BPSK:0 -> BPSK-20 */
-			lp->hw->phy->symbol_duration = 50;
+			lp->hw->phy->symbol_duration = 50 * 1000;
 		} else {
 			/* SUB:1 and BPSK:0 -> BPSK-40 */
-			lp->hw->phy->symbol_duration = 25;
+			lp->hw->phy->symbol_duration = 25 * 1000;
 		}
 	} else {
 		if (page == 0)
 			/* SUB:0 and BPSK:1 -> OQPSK-100/200/400 */
-			lp->hw->phy->symbol_duration = 40;
+			lp->hw->phy->symbol_duration = 40 * 1000;
 		else
 			/* SUB:1 and BPSK:1 -> OQPSK-250/500/1000 */
-			lp->hw->phy->symbol_duration = 16;
+			lp->hw->phy->symbol_duration = 16 * 1000;
 	}
 
-	lp->hw->phy->lifs_period = IEEE802154_LIFS_PERIOD *
-				   lp->hw->phy->symbol_duration;
-	lp->hw->phy->sifs_period = IEEE802154_SIFS_PERIOD *
-				   lp->hw->phy->symbol_duration;
+	lp->hw->phy->lifs_period =
+		(IEEE802154_LIFS_PERIOD * lp->hw->phy->symbol_duration) / 1000;
+	lp->hw->phy->sifs_period =
+		(IEEE802154_SIFS_PERIOD * lp->hw->phy->symbol_duration) / 1000;
 
 	return atusb_write_subreg(lp, SR_CHANNEL, channel);
 }
@@ -917,7 +917,7 @@ static int atusb_get_and_conf_chip(struct atusb *atusb)
 		atusb->hw->phy->supported.page[0].nchunks = 1;
 		atusb->hw->phy->supported.page[0].chunk[0].channels = 0x7FFF800;
 		atusb->hw->phy->current_channel = 11;	/* reset default */
-		atusb->hw->phy->symbol_duration = 16;
+		atusb->hw->phy->symbol_duration = 16 * 1000;
 		atusb->hw->phy->supported.tx_powers = atusb_powers;
 		atusb->hw->phy->supported.tx_powers_size = ARRAY_SIZE(atusb_powers);
 		hw->phy->supported.cca_ed_levels = atusb_ed_levels;
@@ -928,7 +928,7 @@ static int atusb_get_and_conf_chip(struct atusb *atusb)
 		atusb->hw->phy->supported.page[0].nchunks = 1;
 		atusb->hw->phy->supported.page[0].chunk[0].channels = 0x7FFF800;
 		atusb->hw->phy->current_channel = 11;	/* reset default */
-		atusb->hw->phy->symbol_duration = 16;
+		atusb->hw->phy->symbol_duration = 16 * 1000;
 		atusb->hw->phy->supported.tx_powers = atusb_powers;
 		atusb->hw->phy->supported.tx_powers_size = ARRAY_SIZE(atusb_powers);
 		hw->phy->supported.cca_ed_levels = atusb_ed_levels;
@@ -942,7 +942,7 @@ static int atusb_get_and_conf_chip(struct atusb *atusb)
 		atusb->hw->phy->supported.page[2].nchunks = 1;
 		atusb->hw->phy->supported.page[2].chunk[0].channels = 0x00007FF;
 		atusb->hw->phy->current_channel = 5;
-		atusb->hw->phy->symbol_duration = 25;
+		atusb->hw->phy->symbol_duration = 25 * 1000;
 		atusb->hw->phy->supported.lbt = NL802154_SUPPORTED_BOOL_BOTH;
 		atusb->hw->phy->supported.tx_powers = at86rf212_powers;
 		atusb->hw->phy->supported.tx_powers_size = ARRAY_SIZE(at86rf212_powers);
diff --git a/drivers/net/ieee802154/ca8210.c b/drivers/net/ieee802154/ca8210.c
index f42a0b719a33..82b2a173bdbd 100644
--- a/drivers/net/ieee802154/ca8210.c
+++ b/drivers/net/ieee802154/ca8210.c
@@ -2977,7 +2977,7 @@ static void ca8210_hw_setup(struct ieee802154_hw *ca8210_hw)
 	ca8210_hw->phy->cca.mode = NL802154_CCA_ENERGY_CARRIER;
 	ca8210_hw->phy->cca.opt = NL802154_CCA_OPT_ENERGY_CARRIER_AND;
 	ca8210_hw->phy->cca_ed_level = -9800;
-	ca8210_hw->phy->symbol_duration = 16;
+	ca8210_hw->phy->symbol_duration = 16 * 1000;
 	ca8210_hw->phy->lifs_period = 40;
 	ca8210_hw->phy->sifs_period = 12;
 	ca8210_hw->flags =
diff --git a/drivers/net/ieee802154/mcr20a.c b/drivers/net/ieee802154/mcr20a.c
index f0eb2d3b1c4e..8aa87e9bf92e 100644
--- a/drivers/net/ieee802154/mcr20a.c
+++ b/drivers/net/ieee802154/mcr20a.c
@@ -975,7 +975,7 @@ static void mcr20a_hw_setup(struct mcr20a_local *lp)
 
 	dev_dbg(printdev(lp), "%s\n", __func__);
 
-	phy->symbol_duration = 16;
+	phy->symbol_duration = 16 * 1000;
 	phy->lifs_period = 40;
 	phy->sifs_period = 12;
 
@@ -1010,7 +1010,7 @@ static void mcr20a_hw_setup(struct mcr20a_local *lp)
 	phy->current_page = 0;
 	/* MCR20A default reset value */
 	phy->current_channel = 20;
-	phy->symbol_duration = 16;
+	phy->symbol_duration = 16 * 1000;
 	phy->supported.tx_powers = mcr20a_powers;
 	phy->supported.tx_powers_size = ARRAY_SIZE(mcr20a_powers);
 	phy->cca_ed_level = phy->supported.cca_ed_levels[75];
diff --git a/include/net/cfg802154.h b/include/net/cfg802154.h
index 03c8008217fb..286709a9dd0b 100644
--- a/include/net/cfg802154.h
+++ b/include/net/cfg802154.h
@@ -253,8 +253,8 @@ struct wpan_phy {
 
 	/* PHY depended MAC PIB values */
 
-	/* 802.15.4 acronym: Tdsym in usec */
-	u8 symbol_duration;
+	/* 802.15.4 acronym: Tdsym in nsec */
+	u32 symbol_duration;
 	/* lifs and sifs periods timing */
 	u16 lifs_period;
 	u16 sifs_period;
diff --git a/net/mac802154/main.c b/net/mac802154/main.c
index 12ab1545e871..77a4943f345f 100644
--- a/net/mac802154/main.c
+++ b/net/mac802154/main.c
@@ -131,10 +131,10 @@ static void ieee802154_setup_wpan_phy_pib(struct wpan_phy *wpan_phy)
 	 * Should be done when all drivers sets this value.
 	 */
 
-	wpan_phy->lifs_period = IEEE802154_LIFS_PERIOD *
-				wpan_phy->symbol_duration;
-	wpan_phy->sifs_period = IEEE802154_SIFS_PERIOD *
-				wpan_phy->symbol_duration;
+	wpan_phy->lifs_period =
+		(IEEE802154_LIFS_PERIOD * wpan_phy->symbol_duration) / 1000;
+	wpan_phy->sifs_period =
+		(IEEE802154_SIFS_PERIOD * wpan_phy->symbol_duration) / 1000;
 }
 
 int ieee802154_register_hw(struct ieee802154_hw *hw)
