If you're up for tinkering, head over to the everything XBee thread. They repeat , and can connect up to 32 devices. They are high power and also allow you to visualize your zigbee mesh and see signal strength.
If you're up for tinkering, head over to the everything XBee thread. They repeat , and can connect up to 32 devices. They are high power and also allow you to visualize your zigbee mesh and see signal strength.