The ASL 2001P7 from Aelius Semiconductors is a Digital Phase Shifter with Frequency 1.1 to 1.5 GHz, Phase_Shift 0 to 360 Degree, Phase Step 5.625 Degree, Insertion Loss 4.5 dB, Control Voltage 5 V. Tags: Chip. More details for ASL 2001P7 can be seen below.