Transceivers: Modular connection solutions for your network
Transceivers are key components of modern network technology - they enable flexible data transmission via copper or fiber optics and can be integrated directly into switches, routers, or firewalls. With the right transceiver modules, you can expand your infrastructure with Gigabit or high-speed connections - exactly as needed.
Do you have questions about our products in this category?
Our team will advise you extensively on your questions:
+49 (0) 39203 96 96 100
10.71G Optical Transponder(-19dBm~0dBm,1550nm,800ps/nm,-1dBm~2dBm,192.90THz,LC/PC), compatible
10 Gigabit direct attached uplink/stacking copper cable (60 cm, SFP+)., compatible
1-port 1000Base-SX Small Form Factor Pluggable GBIC (mini-GBIC, connector type: LC). Nortel, compatible
SFP+, 10G-LR, SMF 10km, Standard Temperature (0 through 70 C), Duplex LC/PC receptacle
(ETSI Product EMEA Only) SFP Pluggable Optical Module, GE SX MM 850nm, -40C to +85C, Duplex LC connector, 550m (7dB), compatible
Allied Telesis AT SP10BD20 - SFP+ transceiver module - 10 GigE - 10GBase-LR - LC - up to 20 km - 1270-1330 nm
1000Base-BX SFP transceiver with an LC type of interface. This bi-directional transceiver is designed for use over single mode fiber optic on a single strand link up to 10 km. Transmits 1310 nm and receives 1490 nm optical signal., compatible
SFP28 25G Active Optical Cables, direct-attach fiber assemblies with SFP connectors 30-meter, compatible
TAA, 10G Bidi 10km LC (1330Tx/1270Rx) Ext. Temp -40 to 85c, compatible
QSFP-28, 100G-SR4, parallel MMF 100m, Standard Temperature (0 through 75C), 12-ribbon MMF cable with female multifiber termination push-on (MTP)/physical contact (PC) connectors
What is a transceiver and how does it work?
A transceiver (transmitter + receiver) sends and receives data via network cables - in the form of light (fiber optic) or electrical signals (copper). It is plugged into standardized ports such as SFP, SFP+, or QSFP and is often hot-swappable, meaning it can be replaced during operation.
Typical applications:
- Connecting network components over long distances
- Upgrading existing networks to higher bandwidths
- Integration into modular switches, firewalls, or storage systems
Overview of common transceiver formats
SFP & SFP+:
- SFP module: The standard for 1 Gbit/s connections
- SFP+ module: Supports up to 10 Gbit/s – ideal for servers or core switches
- SFP S / SFP SFP+: Combinations or product names in manufacturer documentation, often used synonymously
Other formats:
- QSFP/QSFP28: For 40G, 100G, or 400G applications
- SFP28: 25G transceiver for modern data centers
Fiber optic transceivers vs. copper
Fiber optic transceivers enable interference-free transmission over long distances - ideal in data centers, between buildings, or in EMC-critical environments. In comparison, copper transceivers are suitable for short distances (up to 100 m) and standardized cabling.
Advantages of fiber optics:
- High bandwidths (10G, 25G, 100G+)
- Low latency
- Insensitive to electromagnetic interference
When selecting a fiber optic transceiver module, wavelength, distance, and fiber type (single-mode vs. multi-mode) should be taken into account.
Manufacturer compatibility: Cisco, Juniper, Aruba, Dell, Lenovo, and many more
Transceivers are often manufacturer-specific. it-market offers a wide selection of compatible modules for the following systems:
- Cisco transceivers: e.g., for Catalyst, Nexus, or Meraki series
- Juniper transceivers: for EX, QFX, and MX platforms
- Aruba transceivers: for Aruba switches or Instant-On solutions
- Dell & Lenovo transceivers: specially validated modules for PowerSwitch and ThinkSystem environments
- And many other manufacturers
Transceivers: new, used, and refurbished at it-market
At it-market, you will find tested network transceivers for all common manufacturers and requirements. Whether you need an SFP module, a 10G SFP+, a QSFP, or a fiber optic transceiver, we offer new, used, and refurbished transceivers with tested quality.
Benefit from:
- 3-year warranty for companies
- Up to €2,500 buyer protection
- Short delivery times
Do you have any questions? Our sales team is happy to answer your questions about IT hardware and IT remarketing.