http://www.futureelectronics.com/en/Pages/index.aspx
The ESK300C starter kit from EnOcean includes a variety of energy converters and modules enabling the effortless creation of energy-autonomous wireless sensors transmitting on 315MHz. Using the kit, EnOcean OEM partners will be able to break into new application areas for energy harvesting technology — ranging from building automation through smart homes and smart metering to industry and logistics.