The HELA-10D+ from Mini Circuits is a RF Amplifier with Frequency 8 to 300 MHz, Gain 9.3 to 12.5 dB, Gain Flatness 0.4 dB, Noise Figure 3.5 dB, Output Power 29 to 30 dBm. Tags: Surface Mount, CATV Amplifier. More details for HELA-10D+ can be seen below.