The PE4261 SP4T RF UltraCMOSTM Flip Chip Switch is designed specifically to address the needs of the antenna switch module market for GSM Handsets. On-chip CMOS decode logic is used to facilitate two-pin, low voltage CMOS control inputs. High ESD tolerance of 1500 V at all ports, no blocking capacitor requirements and on-chip SAW filter overvoltage protection devices make this the ultimate in integration and ease of use.