The 2N2907AHR from STMicroelectronics is a RF Transistor with Duty_Cycle 0.015, Gain 75 to 300 dB (DC Current Gain), Small Signal Gain 3 dB, Voltage - Collector Base (Vcbo) 60 V, Voltage - Collector Emitter (Vceo) 60 V. Tags: Surface Mount. More details for 2N2907AHR can be seen below.