New Quick View WishList Compare Add To Cart MXO-RACING RXC52-X 0 Review(s) MXO-RACING RXC52-X Series Super Micro SurfaceRX/4CH/MINIZ/ATM/DRZ/GL This version does not support the built-in Transponder. The first micro surface rx with an antenna-less version that integrates a transponder with editable personal ID number.(Paid to unlock,Unlocking requires the use of the MX USB PG-ISP compiler, which needs to be purchased separately.) You can also directly purchase the RXC52 receiver with Transponder function. $52.99 Price