This is the very popular 2.4GHz xbee module from Digi. These modules take the 802.15.4 stack (the basis for Zigbee) and wrap it into a simple to use serial command set. These modules allow a very reliable and simple communication between micro-controllers, computers, systems, really anything with a serial port! Point to point and multi-point networ...

The low-power XBee 802.15.4 and extended-range XBee-PRO 802.15.4 use the IEEE 802.15.4 networking protocol for fast point-to-multipoint or peer-to-peer networking. The XBee 802.15.4 platform features: Low-cost, low-power point-to-multipoint/peer-to-peer networking Fast 250 kbps RF data rate No configuration needed for out-of-the-box RF commu...

The GPS modem (black box) solution is more complete and sophisticated than the cellular approach. It is designed for companies needing more control over their mobile resources. If that's what you're looking for, then AVL Track MODEM SOLUTION will meet your needs while offering you a much more user-friendly interface than any of the competitors. We ...