SFP optical modules
Teltonika 1.25 Gbps SR SFP TX Transceiver, MM, 850nm, 550m
Teltonika PR4DU22K is a 1.25G SFP module with an 850nm wavelength, two LC connectors, and a maximum distance of 550m over multimode optical fiber.
Teltonika 1.25 Gb/s BiDi SFP Transceiver, SM, 20km, (1 pair)
Teltonika PR4LC21K is a set of single-mode 1G SFP WDM modules for data transmission using a single fiber with one LC connector. The wavelength (Tx and Rx) of these modules is 1310 and 1550nm, making them suitable for connections up to 20km