The GB80SFB model supports a speed of 1000 Mbps and employs single-mode fiber (SMF) for data transmission over a distance of up to 80km. It uses LC connectors and operates with a transmitter power range of -2 to +3 dB, while the receiver power is less than -26 dB. The temperature range for operation is 0 to 70°C. The transmission wavelength is 1550nm, while the reception wavelength is 1310nm.