AEROFLEX 

IFR 3414 250KHz to 4GHz Signal Generator   03 05  Fully tested up to 3.75GHz

USED FULLY TESTED UP TO 3.75GHz    unit faulty between 3.75 to 4GHz ( only at this small range, all other freq from start to 3.75GHz works perfect and accurate , with full power in spec ) 

Ship with UPS   well packed