The ALM-2812 from Broadcom is a RF Amplifier with Frequency 2.4 to 6 GHz, Gain 15 to 25 dB, Noise Figure 0.8 to 1.9 dB, Output Power -12.8 to -5.8 dBm, Output Power 0.0001 to 0.0003 W. Tags: Surface Mount, Low Noise Amplifier. More details for ALM-2812 can be seen below.