Basically, the Huawei E3533 Mobile WiFi comes under two plans in UK through EE :
|Data||Data duration||Upfront cost|
It is a 3G data-card, that measures 68 x 25.8 x 7 mm and weighs 30 gms. It is compatible with Windows XP (SP3), XP SP2, Windows Vista, Windows 7, Windows 8 and Mac OS X 10.6 or later.
Since, the device comes locked to EE network of United Kingdom, you can not use any another carrier SIM card without unlocking it.
Unlock code charge is only 6USD, interested then pay in paypal id email@example.com and mention model with IMEI in transaction. Unlock code / NCK code will be delivered in your mail within 8 hrs.