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Besides infrared, other mediums for short-distance wireless telecommunication include radio frequency solutions such as, Bluetooth, Wireless LAN (802.11) and Radio Frequency Identification (RFID). Each medium is unique and has its own distinct characteristics.
ZOOP currently works over the infrared technology as a medium for proximity payment using the recently developed Infrared Financial Messaging (IrFM) standard released by the Infrared Data Association (IrDA). Infrared technology provides a very secure, inexpensive, pervasive and low-cost media option.
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