The OSDP Developer Tool Kit enables system manufacturers and developers to quickly develop and test their system upgrades supporting OSDP and the enhanced capabilities of Secure Channel Protocol. Includes: DTK license, RPK40 reader, Terminal blocks, RS485 adapter, Documentation including a quick start guide, Sample application, OSDP specification. For additional information and to receive the latest updates and product documentation, please make sure to register your OSDP Developer Tool Kit.