The N9961A (FieldFox Series) is a Handheld microwave spectrum analyzer operates from 9 kHz to 44 GHz and can be remote controlled via an iPad or iPhone. Its dust-free design with no fans and no vents makes it reliable in harsh environments. This spectrum can be used to test and analyze satellite communications, microwave backhaul, military communications, radar systems, active and passive devices. The analyzer only weighs 3.2 Kg and is available with a 3 Year warranty.