It uses the Bulk package in order to optimize the performance of this RF Switch.The operating temperature should be kept at -45°C~85°C when the RF Switch is in operation.There are 6 pins that are used for the operation of the high power RF switch.This is the type of RF signal from the RF switch ic that is 802.15.1/Bluetooth, Cordless Phones, Cellular, PCS, WLL, WLAN.