Xbee Buying Guide -

A small wire extending from the module. Good all-around performance for a low price.

Modules (like those running Zigbee or DigiMesh ) can relay data for each other, extending range and providing self-healing capabilities if one node fails. 2. Compare the Core XBee Families xbee buying guide

The global standard. It offers higher data rates but is susceptible to interference from Wi-Fi and Bluetooth. A small wire extending from the module

Wireless waterproof low-power consumption temperature sensor xbee buying guide

Before looking at specific hardware, determine how your devices will talk to each other: