Note: SDK 2.1.1 requires the WICED SMART BCM92073X_LE_KIT small form factor development board and cannot be used with older BCM920732_LE_KIT development boards.
WICED™ SMART Software Development Kit (version 2.1.1)
The WICED Smart SDK includes the tools and software needed to create BLE peripheral and central devices for a wide range of products.
The SDK is available as a standalone compressed file or as a separate installer bundled with the WICED™ Integrated Development Environment.
This .7z version of the WICED™ SMART SDK can be integrated with an existing Eclipse installation on Windows, Linux or MAC OS.
can someone tell me which version of sdk to download for wiced sense kit
The Windows version here is probably the most common version used: http://community.broadcom.com/docs/DOC-1683