Version 1.83 wifi.getIP() and wifi.scan()

get you mac in : stlye

>var wifi = require("wifi");
=function () { [native code] }
>wifi.getIP().mac;
="5c:cf:7f:05:9a:33"

and wifi.scan lists the AccessPoints

>wifi.scan(function(e,arrayOfAcessPoints­) {
:  if ( arrayOfAcessPoints != null) {
:    for (var i=0; i<arrayOfAcessPoints.length; i++) {
:      print("Access point: " + i + " = " + JSON.stringify(arrayOfAcessPoints[i]));
:  }} else{print("no Access points found"); }});
=undefined
Access point: 0 = {"rssi":-45,"channel":1,"authMode":3,"is­Hidden":false,"ssid":"SBITUmts"}
Access point: 1 = {"rssi":-63,"channel":11,"authMode":4,"i­sHidden":false,"ssid":"SBIT"}
Access point: 2 = {"rssi":-85,"channel":11,"authMode":4,"i­sHidden":false,"ssid":"SBIT"}

many thanks to those who added and fixed it.