# TP-LINK 1000Base-BX | WDM | Bi-Directional | SFP (TL-SM321B)

TP-LINK´s TL-SM321B adopts the latest standard 1000Base-BX, transmission over a single strand of fiber, with one different wavelength going in each direction. You can extend the network distance up to 10Km(6.2 miles) with TP-LINK´s Routers, Switches, Media Converters to provide high speed and stability.

## Details

- **Price:** 19.89 AUD
- **Vendor:** TP-LINK
- **Type:** Network Transceiver Modules
- **Tags:** Dicker

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 19.89 AUD | In stock |

## Images

- TP-LINK 1000Base-BX | WDM | Bi-Directional | SFP (TL-SM321B)

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> Source: [TechForGood](https://techforgood.com.au/products/tp-link-tl-sm321b-network-transceiver-module-fiber-optic-1250-mbit-s-sfp-tl-sm321b)
> Updated: 2026-08-25