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TP-Link

TP-Link 1000Base-BX WDM Bi-Directional SFP Module

1 offer · 1 shop · last checked 2026-10-29 20:18 (Europe/Berlin)

SFP transceiver type
Fiber optic
Maximum data transfer rate
1250 Mbit/s
Interface type
SFP
Fiber cable diameters supported (core/cladding)
9/125 µm
Product image: TP-Link 1000Base-BX WDM Bi-Directional SFP Module

Delivered total

EUR 29,99

Sold by 0815 DE · TL-SM321B V1 · New

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1 live offer

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Observed item prices

0815 DE, one listing

This is the item price of one seller's listing, not a delivered total and not the best price across sellers.

Observed prices over time

Latest
EUR23,0029 Oct 2026
Lowest
Unchanged since 9 Oct 2026
Observed prices over time
DayLowestHighestLastChecks
29 Oct 2026EUR23,00EUR23,00EUR23,003
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10 Oct 2026EUR23,00EUR23,00EUR23,002
9 Oct 2026EUR23,00EUR23,00EUR23,003

About this product

TP-Link 1000Base-BX WDM Bi-Directional SFP Module, Fiber optic, 1250 Mbit/s, SFP, 9/125 µm, 10000 m, 1550 nm

Read the full source description

Spotlight: - WDM Bi-Directional SFP Module - Supports WDM Bi-Directional technology, using a single strand of fiber, cost saving

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 with TP-LINK´s Routers, Switches, Media Converters to provide high speed and stability.

Features - Supports WDM Bi-Directional technology, using a single strand of fiber - TX: 1310nm / RX: 1550nm - Internal +3.3V Power Supply - In pairs with TL-SM321A - Plug-and-Play - Suitable: MC220L, TL-R4199G/4299G, TL-SG3109, TL-SL3428/3452, TL-SG2109WEB/2216WEB/2224WEB, TL-SL2210WEB/2218WEB/2428WEB/2452WEB, TL-SL1351 and the other equivalent devices

Text from Specs Icecat.

Specifications

24 specifications

Product data: Specs Icecat

GTIN
06935364030520
MPN
TL-SM321B V1
Performance9
SFP transceiver type
Fiber optic
Maximum data transfer rate
1250 Mbit/s
Interface type
SFP
Single-mode fiber (SMF) supported
Yes
Fiber cable diameters supported (core/cladding)
9/125 µm
Maximum transfer distance
10000 m
Tx wavelength (max)
1550 nm
Rx wavelength (max)
1310 nm
Networking standards
IEEE 802.3z
Features1
Plug and Play
Yes
Power1
Input voltage
3.3 V
Certificates1
Certification
FCC, CE
Operational conditions4
Operating temperature (T-T)
0 - 70 °C
Storage temperature (T-T)
-40 - 80 °C
Operating relative humidity (H-H)
10 - 90%
Storage relative humidity (H-H)
5 - 90%
Weight & dimensions3
Width
55.4 mm
Depth
12.9 mm
Height
12.9 mm
Packaging data4
Package width
81.5 mm
Package depth
122.5 mm
Package height
38.5 mm
Package weight
60 g
Logistics data1
Harmonized System (HS) code
85369010