diff --git a/drivers/at86rf2xx/at86rf2xx_netdev.c b/drivers/at86rf2xx/at86rf2xx_netdev.c
index 258011cd9..a1ba95d72 100644
--- a/drivers/at86rf2xx/at86rf2xx_netdev.c
+++ b/drivers/at86rf2xx/at86rf2xx_netdev.c
@@ -164,15 +164,17 @@ static int _recv(netdev_t *netdev, void *buf, size_t len, void *info)
     (void)tmp;
 
     if (info != NULL) {
+        uint8_t rssi = 0;
         netdev_ieee802154_rx_info_t *radio_info = info;
         at86rf2xx_fb_read(dev, &(radio_info->lqi), 1);
 #ifndef MODULE_AT86RF231
-        at86rf2xx_fb_read(dev, &(radio_info->rssi), 1);
+        at86rf2xx_fb_read(dev, &(rssi), 1);
         at86rf2xx_fb_stop(dev);
 #else
         at86rf2xx_fb_stop(dev);
-        radio_info->rssi = at86rf2xx_reg_read(dev, AT86RF2XX_REG__PHY_ED_LEVEL);
+        rssi = at86rf2xx_reg_read(dev, AT86RF2XX_REG__PHY_ED_LEVEL);
 #endif
+        radio_info->rssi = RSSI_BASE_VAL + rssi;
     }
     else {
         at86rf2xx_fb_stop(dev);
diff --git a/drivers/cc110x/cc110x-netdev.c b/drivers/cc110x/cc110x-netdev.c
index 9f9f8989c..5db238dbd 100644
--- a/drivers/cc110x/cc110x-netdev.c
+++ b/drivers/cc110x/cc110x-netdev.c
@@ -27,6 +27,7 @@
 #include "cc110x-netdev.h"
 #include "cc110x-internal.h"
 #include "cc110x-interface.h"
+#include "cc110x-defines.h"
 #include "net/eui64.h"
 
 #include "periph/gpio.h"
@@ -61,7 +62,7 @@ static int _recv(netdev_t *dev, void *buf, size_t len, void *info)
     if (info != NULL) {
         netdev_cc110x_rx_info_t *cc110x_info = info;
 
-        cc110x_info->rssi = cc110x->pkt_buf.rssi;
+        cc110x_info->rssi = (int16_t)cc110x->pkt_buf.rssi/2 - CC110X_RSSI_OFFSET;
         cc110x_info->lqi = cc110x->pkt_buf.lqi;
     }
     return cc110x_pkt->length;
diff --git a/drivers/cc110x/include/cc110x-defines.h b/drivers/cc110x/include/cc110x-defines.h
index ee5577a05..069076b58 100644
--- a/drivers/cc110x/include/cc110x-defines.h
+++ b/drivers/cc110x/include/cc110x-defines.h
@@ -34,6 +34,15 @@ extern "C" {
  */
 #define VARIABLE_PKTLEN     (0x01)
 
+/**
+ * @brief   RSSI calculation offset.
+ *
+ * The cc1101 has 74 as a RSSI offset. The CC1100E has a
+ * slightly larger offset of 75 to 79 (not implemented here).
+ * With those devices we thus get a slightly optimistic result.
+ */
+#define CC110X_RSSI_OFFSET  (74)
+
 /**
  * @name    Bitmasks for reading out status register values
  * @{
diff --git a/drivers/cc2420/cc2420.c b/drivers/cc2420/cc2420.c
index bb7ce3d5c..2b4802772 100644
--- a/drivers/cc2420/cc2420.c
+++ b/drivers/cc2420/cc2420.c
@@ -197,8 +197,8 @@ int cc2420_rx(cc2420_t *dev, uint8_t *buf, size_t max_len, void *info)
         DEBUG("cc2420: recv: reading %i byte of the packet\n", (int)len);
         cc2420_fifo_read(dev, buf, len);
 
-        uint8_t rssi;
-        cc2420_fifo_read(dev, &rssi, 1);
+        int8_t rssi;
+        cc2420_fifo_read(dev, (uint8_t*)&rssi, 1);
         DEBUG("cc2420: recv: RSSI is %i\n", (int)rssi);
 
         /* fetch and check if CRC_OK bit (MSB) is set */
@@ -208,6 +208,11 @@ int cc2420_rx(cc2420_t *dev, uint8_t *buf, size_t max_len, void *info)
             /* drop the corrupted frame from the RXFIFO */
             len = 0;
         }
+        if (info != NULL) {
+            netdev_ieee802154_rx_info_t *radio_info = info;
+            radio_info->rssi = CC2420_RSSI_OFFSET + rssi;
+            radio_info->lqi = crc_corr & CC2420_CRCCOR_COR_MASK;
+        }
 
         /* finally flush the FIFO */
         cc2420_strobe(dev, CC2420_STROBE_FLUSHRX);
diff --git a/drivers/cc2420/include/cc2420_registers.h b/drivers/cc2420/include/cc2420_registers.h
index 23cba2cee..00725aa1f 100644
--- a/drivers/cc2420/include/cc2420_registers.h
+++ b/drivers/cc2420/include/cc2420_registers.h
@@ -190,6 +190,14 @@ enum {
 #define CC2420_MDMCTRL0_PREAMBLE_3B (0x0002)
 /** @} */
 
+/**
+ * @brief  CRC/Correlation bit masks
+ * @{
+ */
+#define CC2420_CRCCOR_CRC_MASK      (0x80)
+#define CC2420_CRCCOR_COR_MASK      (0x7F)
+/** @} */
+
 /**
  * @name    Transmit control register bitfields
  * @{
diff --git a/drivers/include/cc2420.h b/drivers/include/cc2420.h
index cee30a128..a2d6f77be 100644
--- a/drivers/include/cc2420.h
+++ b/drivers/include/cc2420.h
@@ -61,6 +61,11 @@ extern "C" {
 #define CC2420_TXPOWER_DEFAULT  (IEEE802154_DEFAULT_TXPOWER)
 /** @} */
 
+/**
+ * @brief   RSSI offset
+ */
+#define CC2420_RSSI_OFFSET      (-45)
+
 /**
  * @brief   A couple of return values used in this driver
  */
diff --git a/drivers/include/mrf24j40.h b/drivers/include/mrf24j40.h
index 8cf6a59ff..6b5427df1 100644
--- a/drivers/include/mrf24j40.h
+++ b/drivers/include/mrf24j40.h
@@ -368,6 +368,14 @@ void mrf24j40_reset_state_machine(mrf24j40_t *dev);
  */
 void mrf24j40_software_reset(mrf24j40_t *dev);
 
+/**
+ * @brief   Convert scalar from mrf24j40 RSSI to dBm
+ *
+ * @param[in] value         value to convert to dBm
+ * @return                  converted value in dBm
+ */
+int8_t mrf24j40_dbm_from_reg(uint8_t value);
+
 /**
  * @brief   Prepare for sending of data
  *
diff --git a/drivers/include/net/netdev.h b/drivers/include/net/netdev.h
index 47c06b487..51910edeb 100644
--- a/drivers/include/net/netdev.h
+++ b/drivers/include/net/netdev.h
@@ -246,7 +246,7 @@ typedef enum {
  * May be different for certain radios.
  */
 struct netdev_radio_rx_info {
-    uint8_t rssi;       /**< RSSI of a received packet */
+    int16_t rssi;       /**< RSSI of a received packet in dBm */
     uint8_t lqi;        /**< LQI of a received packet */
 };
 
diff --git a/drivers/kw2xrf/include/kw2xrf_getset.h b/drivers/kw2xrf/include/kw2xrf_getset.h
index 0b02cc282..5ffdf29d8 100644
--- a/drivers/kw2xrf/include/kw2xrf_getset.h
+++ b/drivers/kw2xrf/include/kw2xrf_getset.h
@@ -160,7 +160,7 @@ uint8_t kw2xrf_get_cca_mode(kw2xrf_t *dev);
  *
  * @return              deduced RSSI in dBm
  */
-uint32_t kw2xrf_get_rssi(uint32_t value);
+int16_t kw2xrf_get_rssi(uint32_t value);
 
 /**
  * @brief   Get state of a given device
diff --git a/drivers/kw2xrf/kw2xrf_getset.c b/drivers/kw2xrf/kw2xrf_getset.c
index 71c1fe532..b3bd2f07e 100644
--- a/drivers/kw2xrf/kw2xrf_getset.c
+++ b/drivers/kw2xrf/kw2xrf_getset.c
@@ -346,7 +346,7 @@ uint8_t kw2xrf_get_cca_mode(kw2xrf_t *dev)
     return (tmp & MKW2XDM_PHY_CTRL4_CCATYPE_MASK) >> MKW2XDM_PHY_CTRL4_CCATYPE_SHIFT;
 }
 
-uint32_t kw2xrf_get_rssi(uint32_t value)
+int16_t kw2xrf_get_rssi(uint32_t value)
 {
     /* Get rssi (Received Signal Strength Indicator, unit is dBm)
      * from lqi (Link Quality Indicator) value.
@@ -361,7 +361,7 @@ uint32_t kw2xrf_get_rssi(uint32_t value)
      */
     uint32_t a = (uint32_t)(295.4 * 65536 / 2.84);
     uint32_t b = (uint32_t)(65536 / 2.84);
-    return (a - (b * value)) >> 16;
+    return ((b * value) - a) >> 16;
 }
 
 void kw2xrf_set_option(kw2xrf_t *dev, uint16_t option, bool state)
diff --git a/drivers/kw2xrf/kw2xrf_netdev.c b/drivers/kw2xrf/kw2xrf_netdev.c
index 5511b5ea2..e0a876711 100644
--- a/drivers/kw2xrf/kw2xrf_netdev.c
+++ b/drivers/kw2xrf/kw2xrf_netdev.c
@@ -169,7 +169,7 @@ static int _recv(netdev_t *netdev, void *buf, size_t len, void *info)
     if (info != NULL) {
         netdev_ieee802154_rx_info_t *radio_info = info;
         radio_info->lqi = ((uint8_t*)buf)[pkt_len];
-        radio_info->rssi = (uint8_t)kw2xrf_get_rssi(radio_info->lqi);
+        radio_info->rssi = kw2xrf_get_rssi(radio_info->lqi);
     }
 
     /* skip FCS and LQI */
diff --git a/drivers/mrf24j40/mrf24j40_getset.c b/drivers/mrf24j40/mrf24j40_getset.c
index b53206071..92a19f393 100644
--- a/drivers/mrf24j40/mrf24j40_getset.c
+++ b/drivers/mrf24j40/mrf24j40_getset.c
@@ -74,38 +74,38 @@ static const uint8_t dbm_to_tx_pow[] = { 0x00, 0x10, 0x18, 0x20, 0x28, 0x30, 0x3
                                          0xc0, 0xd0, 0xd8, 0xe0, 0xe8, 0xf0, 0xf8 };
 
 /* take a look onto datasheet table 3-8 */
-static const int8_t dBm_value[] = {  95, 89, 88, 88, 87, 87, 87, 87, \
-                                     86, 86, 86, 86, 85, 85, 85, 85, \
-                                     84, 84, 84, 84, 84, 84, 83, 83, \
-                                     83, 83, 82, 82, 82, 82, 81, 81, \
-                                     81, 81, 81, 80, 80, 80, 80, 80, \
-                                     80, 79, 79, 79, 79, 79, 78, 78, \
-                                     78, 78, 78, 77, 77, 77, 77, 77, \
-                                     76, 76, 76, 76, 76, 75, 75, 75, \
-                                     75, 75, 75, 74, 74, 74, 74, 73, \
-                                     73, 73, 73, 73, 72, 72, 72, 72, \
-                                     72, 71, 71, 71, 71, 71, 70, 70, \
-                                     70, 70, 70, 70, 70, 69, 69, 69, \
-                                     69, 69, 68, 68, 68, 68, 68, 68, \
-                                     68, 67, 67, 67, 67, 66, 66, 66, \
-                                     66, 66, 66, 65, 65, 65, 65, 65, \
-                                     64, 64, 64, 64, 63, 63, 63, 63, \
-                                     62, 62, 62, 62, 61, 61, 61, 61, \
-                                     60, 60, 60, 60, 60, 59, 59, 59, \
-                                     59, 59, 58, 58, 58, 58, 58, 57, \
-                                     57, 57, 57, 57, 57, 56, 56, 56, \
-                                     56, 56, 56, 56, 55, 55, 55, 55, \
-                                     54, 54, 54, 54, 54, 54, 53, 53, \
-                                     53, 53, 53, 53, 53, 52, 52, 52, \
-                                     52, 52, 52, 51, 51, 51, 51, 51, \
-                                     50, 50, 50, 50, 50, 49, 49, 49, \
-                                     49, 49, 48, 48, 48, 48, 47, 47, \
-                                     47, 47, 47, 46, 46, 46, 46, 45, \
-                                     45, 45, 45, 44, 44, 44, 44, 44, \
-                                     43, 43, 43, 42, 42, 42, 42, 41, \
-                                     41, 41, 41, 41, 41, 40, 40, 40, \
-                                     40, 40, 39, 39, 39, 39, 39, 38, \
-                                     38, 38, 38, 37, 37, 37, 36, 30 };
+static const int8_t dBm_value[] = { -90, -89, -88, -88, -87, -87, -87, -87, \
+                                    -86, -86, -86, -86, -85, -85, -85, -85, \
+                                    -84, -84, -84, -84, -84, -84, -83, -83, \
+                                    -83, -83, -82, -82, -82, -82, -81, -81, \
+                                    -81, -81, -81, -80, -80, -80, -80, -80, \
+                                    -80, -79, -79, -79, -79, -79, -78, -78, \
+                                    -78, -78, -78, -77, -77, -77, -77, -77, \
+                                    -76, -76, -76, -76, -76, -75, -75, -75, \
+                                    -75, -75, -75, -74, -74, -74, -74, -73, \
+                                    -73, -73, -73, -73, -72, -72, -72, -72, \
+                                    -72, -71, -71, -71, -71, -71, -70, -70, \
+                                    -70, -70, -70, -70, -70, -69, -69, -69, \
+                                    -69, -69, -68, -68, -68, -68, -68, -68, \
+                                    -68, -67, -67, -67, -67, -66, -66, -66, \
+                                    -66, -66, -66, -65, -65, -65, -65, -65, \
+                                    -64, -64, -64, -64, -63, -63, -63, -63, \
+                                    -62, -62, -62, -62, -61, -61, -61, -61, \
+                                    -60, -60, -60, -60, -60, -59, -59, -59, \
+                                    -59, -59, -58, -58, -58, -58, -58, -57, \
+                                    -57, -57, -57, -57, -57, -56, -56, -56, \
+                                    -56, -56, -56, -56, -55, -55, -55, -55, \
+                                    -54, -54, -54, -54, -54, -54, -53, -53, \
+                                    -53, -53, -53, -53, -53, -52, -52, -52, \
+                                    -52, -52, -52, -51, -51, -51, -51, -51, \
+                                    -50, -50, -50, -50, -50, -49, -49, -49, \
+                                    -49, -49, -48, -48, -48, -48, -47, -47, \
+                                    -47, -47, -47, -46, -46, -46, -46, -45, \
+                                    -45, -45, -45, -44, -44, -44, -44, -44, \
+                                    -43, -43, -43, -42, -42, -42, -42, -41, \
+                                    -41, -41, -41, -41, -41, -40, -40, -40, \
+                                    -40, -40, -39, -39, -39, -39, -39, -38, \
+                                    -38, -38, -38, -37, -37, -37, -36, -35 };
 
 /* take a look onto datasheet table 3-8 */
 static const uint8_t RSSI_value[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
@@ -488,3 +488,8 @@ void mrf24j40_software_reset(mrf24j40_t *dev)
         softrst = mrf24j40_reg_read_short(dev, MRF24J40_REG_SOFTRST);
     } while (softrst != 0);        /* wait until soft-reset has finished */
 }
+
+int8_t mrf24j40_dbm_from_reg(uint8_t value)
+{
+    return dBm_value[value];
+}
diff --git a/drivers/mrf24j40/mrf24j40_netdev.c b/drivers/mrf24j40/mrf24j40_netdev.c
index c0c74a9bb..02598c1b4 100644
--- a/drivers/mrf24j40/mrf24j40_netdev.c
+++ b/drivers/mrf24j40/mrf24j40_netdev.c
@@ -156,9 +156,11 @@ static int _recv(netdev_t *netdev, void *buf, size_t len, void *info)
 
     if (info != NULL) {
         netdev_ieee802154_rx_info_t *radio_info = info;
+        uint8_t rssi_scalar = 0;
         /* Read LQI and RSSI values from the RX fifo */
         mrf24j40_rx_fifo_read(dev, phr + 1, &(radio_info->lqi), 1);
-        mrf24j40_rx_fifo_read(dev, phr + 2, &(radio_info->rssi), 1);
+        mrf24j40_rx_fifo_read(dev, phr + 2, &(rssi_scalar), 1);
+        radio_info->rssi = mrf24j40_dbm_from_reg(rssi_scalar);
     }
 
     /* Turn on reception of packets off the air */
diff --git a/sys/include/net/gnrc/netif/hdr.h b/sys/include/net/gnrc/netif/hdr.h
index b1e101efd..b4ab577f9 100644
--- a/sys/include/net/gnrc/netif/hdr.h
+++ b/sys/include/net/gnrc/netif/hdr.h
@@ -85,7 +85,7 @@ typedef struct {
     uint8_t dst_l2addr_len;     /**< length of l2 destination address in byte */
     kernel_pid_t if_pid;        /**< PID of network interface */
     uint8_t flags;              /**< flags as defined above */
-    uint8_t rssi;               /**< rssi of received packet (optional) */
+    int16_t rssi;               /**< rssi of received packet in dBm (optional) */
     uint8_t lqi;                /**< lqi of received packet (optional) */
 } gnrc_netif_hdr_t;
 
diff --git a/sys/net/gnrc/netif/hdr/gnrc_netif_hdr_print.c b/sys/net/gnrc/netif/hdr/gnrc_netif_hdr_print.c
index 06fd418ce..275ea3170 100644
--- a/sys/net/gnrc/netif/hdr/gnrc_netif_hdr_print.c
+++ b/sys/net/gnrc/netif/hdr/gnrc_netif_hdr_print.c
@@ -23,7 +23,7 @@ void gnrc_netif_hdr_print(gnrc_netif_hdr_t *hdr)
     char addr_str[GNRC_NETIF_HDR_L2ADDR_PRINT_LEN];
 
     printf("if_pid: %u  ", (unsigned) hdr->if_pid);
-    printf("rssi: %u  ", (unsigned) hdr->rssi);
+    printf("rssi: %d  ", (signed) hdr->rssi);
     printf("lqi: %u\n", (unsigned) hdr->lqi);
     printf("flags: ");