For RF Transceiver' mounting, it uses the Surface Mount method.It uses the Strip package in order to optimize the performance of this RF Transceiver module.To operate the high power RF Transceiver, 50 pins are required.As the name implies, this RF Transceiver Module belongs to the WT32i family.
WT32I-E-AI6IAPC Features
Surface Mount Strip package 50 pins
WT32I-E-AI6IAPC Applications
There are a lot of Silicon Labs WT32I-E-AI6IAPC RF Transceiver Modules applications.