Hi, i have just switched from bt fixed line where i was getting 12-13 mbps download and 0.91-0.95 upload ping 10-20 ms, i am now tethering with the 3 network with a apple i5 which is capable of 4g when it comes along the speed are between 15mbps - 23mbps download and 2.32 - 3.01 mbps upload, BUT my ping varies it goes quite high about 60 but have seen go as low as 45 and high as 100, is this bad for gaming