TP-Link Gigabit Single-Mode WDM Bi-Directional SFP Module poe-switch 8 feet) in length allows

8 feet) in length allows you to relocate your antenna to a optimal position to maximize the wireless performance

Nintendo Switch

transmitting over one single-mode fiber with one different wavelength going in each direction

3u 100Base-TX and 100Base-FX standards

JBL Go 3 Portable Speaker with Bluetooth

TP-Link Gigabit Single-Mode WDM Bi-Directional SFP Module poe-switch 8 feet) in length allowsTP Link Gigabit Single Mode WDM Bi Directional SFP Module (TL SM321B) adopts the latest standard 1000Base BX, transmitting over one single mode fiber with one different wavelength going in each direction. Paired with TL SM321A, You can extend the network distance up to 20Km with TP Links routers, switches and media converters for reliable high speed long distance communication.