4. MM101383V3, Rev. C 5 INSTALLATION In MARTS III base stations, the EA101292V21 and EA-101292-021 Power Amplifiers are designed to replace the 19D902797G6, 19D902797G7, 19D902797G8, and the 19D902797G11 Power Amplifier and their associated Low Pass Filter Assembly. The EA101292V22 and EA-101292-022 Power Amplifiers are designed to replace the 19D902797G3, 19D902797GY, and 19D902797G10 Power Amplifiers. Earlier versions of the MARTS III base station are equipped with a 12VDC power supply.