Weinschel”s series of phase compensated GaAs switched solid-state programmable attenuators (Model 4246 & 4248) are specifically designed for wireless/cellular, RF simulation/ emulation & communication test applications. The incremental relative phase for these unit is ±5° between 0 and.25, 1, 2, 4, 8, 16 dB and ±10° between 0 and 32, 48 dB.