diff --git a/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_MCU_K64F/TARGET_MTS_GAMBIT/PeripheralPins.c b/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_MCU_K64F/TARGET_MTS_GAMBIT/PeripheralPins.c
index 361897c8e8..dd0721fb5f 100644
--- a/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_MCU_K64F/TARGET_MTS_GAMBIT/PeripheralPins.c
+++ b/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_MCU_K64F/TARGET_MTS_GAMBIT/PeripheralPins.c
@@ -51,6 +51,7 @@ const PinMap PinMap_UART_TX[] = {
     {PTB11, UART_3, 3},
     {PTA14, UART_0, 3},
     {PTE4 , UART_3, 3},
+    {PTE8 , UART_5, 3},
     {NC  ,  NC    , 0}
 };
 
@@ -62,6 +63,7 @@ const PinMap PinMap_UART_RX[] = {
     {PTB10, UART_3, 3},
     {PTD2 , UART_2, 3},
     {PTC6 , UART_0, 3},
+    {PTE9 , UART_5, 3},
     {NC  ,  NC    , 0}
 };
 
diff --git a/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_MCU_K64F/TARGET_MTS_GAMBIT/PinNames.h b/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_MCU_K64F/TARGET_MTS_GAMBIT/PinNames.h
index 5208e3a51b..1e3fc8dcd1 100644
--- a/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_MCU_K64F/TARGET_MTS_GAMBIT/PinNames.h
+++ b/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_MCU_K64F/TARGET_MTS_GAMBIT/PinNames.h
@@ -237,6 +237,16 @@ typedef enum {
     AP2_GPIO3 = PTA25,
     AP2_GPIO4 = PTA24,
 
+    // Cellular Radio Serial Pins
+    RADIO_SERIAL_TX = PTE8,
+    RADIO_SERIAL_RX = PTE9,
+    RADIO_SERIAL_RTS = PTE11,
+    RADIO_SERIAL_CTS = PTE10,
+    RADIO_SERIAL_DTR = PTE26,
+    RADIO_SERIAL_DSR = PTE25,
+    RADIO_SERIAL_RI = PTE24,
+    RADIO_SERIAL_CD = PTE12,
+
     DAC0_OUT = 0xFEFE, /* DAC does not have Pin Name in RM */
 
     // Not connected