The Samsung Galaxy Camera is a 16 megapixel camera with a 21x optical zoom lens that comes equipped with both WiFi and a cellular modem.

FORBES: Samsung Unveils 3G/4G Camera And Galaxy Note 2 'Phablet'

FedEx generally uses a GPRS cellular modem to upload data from a courier's handheld computer to the company's servers, allowing it to keep up-to-the-minute tracking information.

FORBES: FedEx Bites Into Bluetooth

Unlike the iPad and some Android tablets, neither Surface can be ordered with built-in cellular connectivity, though the Pro can accept extra-cost plug-in cellular modems and, like competing tablets, it can be wirelessly tethered to a cellphone or stand-alone cellular modem.

WSJ: Review of Microsoft's Surface Pro: Hefty Tablet Is a Laptop Lightweight

These microcells are small devices, about the size of a DSL or cable modem, that create a local cellular service zone up to about 40 feet from the device in which you can make and place cell phone calls and, if you have a smartphone, use data services to access the Internet.

FORBES: Verizon's Wireless Network Extender: No Control Over Who Gets Access But You Get to Pay the Cost

Additionally, U.S. Cellular offers 4G LTE capable data devices including the Huawei UML397 4G LTE USB Wireless Modem and the Samsung SCH-LC11 Mobile Hotspot, allowing customers to experience data speeds up to 10 times faster.

ENGADGET: US Cellular bringing LTE to 30 additional markets on November 5th