The RF1604D single-pole four-throw (SP4T) switch for receive-diversity designs features a 0.4-dB insertion loss at 1GHz and 1.3V GPIO compatibility. In a 12-pin, 2.5 mm x 2.5 mm x 0.6 mm leadless QFN package, it integrates decoding logic and requires no dc-blocking capacitors unless DC is applied to the ports. Other specs include 2-kV ESD protection on all ports, operation to 2.7+ GHz, and an isolation of 40 dB at 1 GHz. Price is $0.98 each/100. RF MICRO DEVICES INC., Greensboro, NC. (336) 664-1233.