diff --git a/cc3200/mods/modpyb.c b/cc3200/mods/modpyb.c
index dbf14241a5..5f38bc69cf 100644
--- a/cc3200/mods/modpyb.c
+++ b/cc3200/mods/modpyb.c
@@ -130,6 +130,15 @@ STATIC mp_obj_t pyb_freq(void) {
 }
 STATIC MP_DEFINE_CONST_FUN_OBJ_0(pyb_freq_obj, pyb_freq);
 
+/// \function unique_id()
+/// Returns a string of 6 bytes (48 bits), which is the unique ID for the MCU.
+STATIC mp_obj_t pyb_unique_id(void) {
+    uint8_t mac[SL_BSSID_LENGTH];
+    wlan_get_mac (mac);
+    return mp_obj_new_bytes(mac, SL_BSSID_LENGTH);
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_0(pyb_unique_id_obj, pyb_unique_id);
+
 /// \function millis()
 /// Returns the number of milliseconds since the board was last reset.
 ///
@@ -241,11 +250,12 @@ MP_DECLARE_CONST_FUN_OBJ(pyb_main_obj); // defined in main.c
 STATIC const mp_map_elem_t pyb_module_globals_table[] = {
     { MP_OBJ_NEW_QSTR(MP_QSTR___name__),            MP_OBJ_NEW_QSTR(MP_QSTR_pyb) },
 
-    { MP_OBJ_NEW_QSTR(MP_QSTR_reset),               (mp_obj_t)&pyb_hard_reset_obj },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_hard_reset),          (mp_obj_t)&pyb_hard_reset_obj },
 #ifdef DEBUG
     { MP_OBJ_NEW_QSTR(MP_QSTR_info),                (mp_obj_t)&pyb_info_obj },
 #endif
     { MP_OBJ_NEW_QSTR(MP_QSTR_freq),                (mp_obj_t)&pyb_freq_obj },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_unique_id),           (mp_obj_t)&pyb_unique_id_obj },
     { MP_OBJ_NEW_QSTR(MP_QSTR_repl_info),           (mp_obj_t)&pyb_set_repl_info_obj },
     { MP_OBJ_NEW_QSTR(MP_QSTR_repl_uart),           (mp_obj_t)&pyb_repl_uart_obj },
 
diff --git a/cc3200/qstrdefsport.h b/cc3200/qstrdefsport.h
index 193ef9b07b..36c8430a34 100644
--- a/cc3200/qstrdefsport.h
+++ b/cc3200/qstrdefsport.h
@@ -30,7 +30,7 @@ Q(__name__)
 Q(help)
 Q(pyb)
 Q(info)
-Q(reset)
+Q(hard_reset)
 Q(main)
 Q(sync)
 Q(gc)
@@ -48,6 +48,7 @@ Q(readline)
 Q(input)
 Q(os)
 Q(freq)
+Q(unique_id)
 Q(repl_info)
 Q(disable_irq)
 Q(enable_irq)