The Pololu IR beacon is a compact board that is used in pairs to allow robots to locate each other.
This kit contains a 125 KHz RFID reader and additional parts.
If you're going to use a RF module that needs an SMA antenna, we've got you covered! Here's a 152mm swivel/tilt whip with RP-SMA connector!
The Bluetooth Mate is very similar to the BlueSMiRF modem, but it is designed specifically to be used with our Arduino Pros and LilyPad Arduinos.
The XBee Explorer Regulated takes care of the 3.3V regulation, signal conditioning, and basic activity indicators (Power, RSSI and DIN/DOUT activity LEDs). This makes it SO much easier to start playing with XBee!
Looking for 802.15.4 Zigbee-like device with smarts? XBee with more features? Check out Synapse modules! Small, low-power, 2.4 GHz plug-in transmitter-receiver modules, with an extended range up to three miles and power consumption as low as 2.5uA.
The SN171 Synapse ProtoBoard is a very convenient way to connect any Synapse SNAP module to a RS232 port - ideal for playing with your new RF Engine!
This adapter board is designed to make adding wireless point-to-point or mesh networking easy. Adafruit looked at all the XBee adapter boards available and decided to design something better.