MACP-011068 Coupler MACOM MACP-011068 Coupler is a 17.3dB coupler that is ideally suited for 75Ω power monitoring in CATV DOCSIS 3.1 nodes and line extenders. This coupler is offered in a surface-mount package. The MACOM MACP-011068 coupler features a maximum input power of 2W, 75Ω impedance, and 500mA DC. This coupler operates at 5MHz to 2000MHz frequency range and -40°C to 85°C temperature range.