Consumers are increasingly going wireless and with that WiFi has become the technology of choice in a majority of devices in homes and businesses across North America. The availability of low cost WiFi equipment, access points and airtime has driven the industry to continue to evolve the standard.

While Bluetooth, another wireless option, has many supporters, a few limitations in this technology hinder its implementation as the standard of choice at the POS.

Bluetooth may eventually become a credible wireless alternative for payment applications, but that day is not now. Problems with WiFi implementation early on were identified, but Bluetooth's security flaws are just starting to surface. When Bluetooth was first introduced, the wireless industry over-hyped the technology. Then Bluetooth began showing its insecurities and users' expectations were not met.

Bluetooth is and always will be a short-range cable replacement technology-something intended to connect a device to a peripheral, such as a telephone to a wireless headphone, or to synchronize your cellphone address book with that of your PDA. It falls into a category the Institute of Electrical and Electronics Engineers (IEEE) calls a Personal Area Network (PAN).

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