Bluetooth
Lemos Intl
Ember
Wireless sensor networks
Gefen
USB and video extenders via CAT5 cable
Infrared
ePanorama
has lots of info and links
Infra-Com
is developing IR networking technology
Infrared Remote Control
handy article on IR technology
JLH Labs
AKA Jason Hill, creator of TinyOS and wireless micro-sensor networks
Linx Technologies
"wireless made simple"
Unibrain
Firewire networking
GPS
Motorola Instant GPS chip
Will O'Halloran: "Its great, I regularly get 9 Sats, with a degree of precision to 1 meter
when I get a DGPS lock. In a city environment you can reasonably expect 10 meters precision (also called HDOP)." Thanks Will!
Trimble Lassen Sq.
Postage-stamp sized unit for embedding in devices, objects
Wherify
GPS locators for general use or for finding children or criminals. By phone or Internet you can locate the device anytime.
RFID
(Frequencies: 125-134kHz, 13.553-13.567 MHz, 400MHz - 1 GHz, 2.3-2.48 GHz)
Abacom
RF transmitters
AIM Global Network
Industry group. See especially their "technologies" area, including info on RF, barcodes etc.
Alien Technology
Cypak
Swedish start-up makes ultra-tiny wireless chips, smartcards, smart packaging
Intersoft
more RF stuff
Presto Technologies
has some info on RFID tags
RF Code
ScanPak
Skye Module M1 Mini
tiny RFID reader
Texas Instruments' TIRIS
Tiny RF tags of various shapes and sizes. See especially the "Tag-It" ones.
RS-232 Serial
PortTerm
Serial port communication for Mac OS X. Applescriptable.
SerialServer
by Dan O'Sullivan, for linking serial communication with Flash and other browser-based software
SerialIO
WiFi
...more accurate than cellular triangulation with a resolution of 1 to 20 meters.
Ekahau
Finnish company providing WiFi location finding
Force Field Wireless
paint that blocks radio waves
Lantronix WiPort
Embedded WiFi for devices
Neteon wireless device servers
Newbury Networks
Location finding, with emphasis on security
Pango Networks
WiFi location finding
Where-Fi
Free WiFi location tracking
Kevin Walker
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