Specifications 1 Size 4 1x 1 6cm 2 Board Thickness 1 6mm 3 Operating Frequency 2 405 2 485 G Hz 4 Wireless Transmission Speed Rate 250 Kbaud 5 Power Consumption 20m A receiving 25m A transmission Features 1 Lead Out 8 IO Ports 2 Debug Pin 3 Matching Firmware To Achieve Analyzer Function Document https pan baidu com s 170 H Refh Zx 4j A8wd Q Hm 9 Cjw B Tool http www ti com lit ug swru 270c swru 270c pdf key Match SWRU270 Ctisearch Search EN Everything Package Included 1 x Wireless CC2531 Sniffer Analyzer Module with Shell