SXR86 (75) series outdoor type bidirectional optical receiver applies aluminum die-cast waterproof casing, providing reliable power supply, secondary lightning protection system, and photoelectric switch. It is supplied with a preamplifier of PIN diode GaAs element and an imported modular power amplifier. It has 1 forward CATV optical receiving line, and 2 or 4 radio frequency output lines. It reserves 1 or 2 lines for returning optical transmission plug-in unit, and is available to construct a node type optical workstation in HFC network. Besides the exquisite appearance, it is also provided with excellent technical indexes and high performance/price ratio, which is the most suitable product of fiber networking for roadside, residence community, village and high-rise building.