2.4 GHz radio and USB 32 KB of flash memory, 4 KB of RAM Range: approximately 40 feet Comes with 0.1'' male header pins (not soldered) Operating voltage: 2.7V - 6.5V The Wixel Programmable USB Wireless Module (Kit) is a general-purpose programmable module featuring a 2.4 GHz radio and USB. You can write your own software or load precompiled, open-source apps onto the TI CC2511F32 microcontroller at the heart of the Wixel, turning it into a wireless serial link, data logger, or whatever you need for your current project. Features: 2.4 GHz Radio with 256 available channels Programmable through USB bootloader (no external programmer required) Pre-compiled, open-source apps available 3 indicator LEDs 15 user I/O lines, featuring 6 analog inputs, 2 USARTs (for serial or SPI), and 7 timer channels (capable of PWM)