Software Developer's Kit (SDK) Enable your products to read and use the installed base of over 250 million building access proximity or contactless badges! The SDKs contain readers suitable for independent software developers and OEMs to enable computer identification using the employee's existing prox or contactless ID card. The SDK includes source code examples in C++/VB. A complete source code application for using the readers with a reader included! The SDK for pcProx (read-only) and AIR ID (read/write) include support for both the RS-232 and USB port readers. Once the order and credit card is processed, we will send out the download instructions. Please allow up to 24 hrs (typically same day). SDK for pcProx, AIR ID Enroll, Wiegand Converter (USB and RS-232c) $99.00 AIR ID Writer SDK for iCLASS Read/Write Readers $99.00 AIR IDŽ LT Software Developer's Kit (Serial Port) Regular price: $449.00 Sale price: $399.00 AIR ID LT Reader Bundle (Serial ports) Regular price: $119.00 Sale price: $109.00