PSA Series II RF Spectrum Analyzers PSA2702USC Handheld 2.7 GHz Spectrum Analyzer + SC Package and U01 The PSA Series II is unlike any other RF spectrum analyzer. Really hand-held The PSA Series II is adequately little and light-weight to fit easily into the hand - unlike the majority of other so-called portable spectrum analyzers. Battery operation of more than 8 hours The PSA Series II operates from a Li-ion rechargeable battery that can provide more than 8 hours of continuous operation.