The purpose of the BCT-3602-X01 is to use with the development board, BCE-GENTRX32-001. It breaks out the module's (BM3602-09-1) pins and add an antenna to make the development easier.
The BC3602 is a bidirectional FSK / GFSK high performance RF transceiver IC from Holtek that operates in the license-free 315MHz, 433MHz, 470MHz, 868MHz, and 915MHz ISM (Industrial, Scientific and Medical) bands.
NOTE
Please leave a note in checkout step to inform us of the frequency you require.