The Wireless Universal 4G/3G HSDPA Internet Modem with a speed of 7.2mbps is compatible with any GSM carrier and can be used with any data-enabled SIM card from carriers like Airtel, Safaricom, Telkom, etc. It's portable, easy to install, and requires disabling the PIN lock on the SIM card before insertion. It supports various network types including HSDPA, HSUPA, GPRS, and GSM, operating at frequencies of 850/900/1800/1900/2100MHz. Additionally, it features an SD card slot, USB port, and dimensions of 87.625.611.8mm. With its Qualcomm 6280 chip, it offers high performance with downlink speeds of 7.2Mbps and uplink speeds of 5.7Mbps, and is compatible with operating systems such as Windows 10/8/8.1/7/XP/Vista/2000, providing data, SMS, and phonebook functions.