Questions about the reliability of 3G and 4G mobile internet for business use abound. Those that might not be huge fans of consumer electronics devices could be skeptical about using such internet access for business purposes. In truth, as long as you have a quality mobile smartphone or other mobile device, you should not have any trouble picking up the signal. However, if the quality of the mobile device is lacking, then the mobile internet connection will suffer as well. Investing a little extra for a quality mobile device is a must when you require your mobile internet for business purposes.