Product comparison · 2 network transceiver modules

LevelOne 155Mbps Single-mode BIDI SFP Transceiver, 40km, TX 1310nm / RX 1550nm vs LevelOne 1.25Gbps Single-mode BIDI SFP Transceiver, 10km, TX 1310nm / RX 1550nm

Key differences

Maximum data transfer rate
- 155Mbps Single-mode BIDI SFP Transceiver, 40km, TX 1310nm / RX 1550nm:155 Mbit/s
- 1.25Gbps Single-mode BIDI SFP Transceiver, 10km, TX 1310nm / RX 1550nm:1250 Mbit/s
Maximum transfer distance
- 155Mbps Single-mode BIDI SFP Transceiver, 40km, TX 1310nm / RX 1550nm:40000 m
- 1.25Gbps Single-mode BIDI SFP Transceiver, 10km, TX 1310nm / RX 1550nm:10000 m
Tx power (min)
- 155Mbps Single-mode BIDI SFP Transceiver, 40km, TX 1310nm / RX 1550nm:-8 dBmW
- 1.25Gbps Single-mode BIDI SFP Transceiver, 10km, TX 1310nm / RX 1550nm:-9 dBmW
Networking standards
- 155Mbps Single-mode BIDI SFP Transceiver, 40km, TX 1310nm / RX 1550nm:IEEE 802.3ah
- 1.25Gbps Single-mode BIDI SFP Transceiver, 10km, TX 1310nm / RX 1550nm:IEEE 802.3z
Depth
- 155Mbps Single-mode BIDI SFP Transceiver, 40km, TX 1310nm / RX 1550nm:56.5 mm
- 1.25Gbps Single-mode BIDI SFP Transceiver, 10km, TX 1310nm / RX 1550nm:56.6 mm
Package width
- 155Mbps Single-mode BIDI SFP Transceiver, 40km, TX 1310nm / RX 1550nm:75 mm
- 1.25Gbps Single-mode BIDI SFP Transceiver, 10km, TX 1310nm / RX 1550nm:76 mm
Package depth
- 155Mbps Single-mode BIDI SFP Transceiver, 40km, TX 1310nm / RX 1550nm:51 mm
- 1.25Gbps Single-mode BIDI SFP Transceiver, 10km, TX 1310nm / RX 1550nm:50 mm

Differences highlightedShow differences only

Comparison of SFP-7421, SFP-9221
32 specifications	A LevelOne 155Mbps Single-mode BIDI SFP Transceiver, 40km, TX 1310nm / RX 1550nm Model SFP-7421 View product	B LevelOne 1.25Gbps Single-mode BIDI SFP Transceiver, 10km, TX 1310nm / RX 1550nm Model SFP-9221 View product
Performance4 differ
Maximum data transfer rateDiffers	155 Mbit/s	1250 Mbit/s
Maximum transfer distanceDiffers	40000 m	10000 m
Tx power (min)Differs	-8 dBmW	-9 dBmW
Networking standardsDiffers	IEEE 802.3ah	IEEE 802.3z
Auto MDI/MDI-XKnown for one	No	Unknown — not stated by the source
Fiber cable diameters supported (core/cladding)Known for one	Unknown — not stated by the source	9/125 µm
Weight & dimensions1 differ
DepthDiffers	56.5 mm	56.6 mm
Packaging data2 differ
Package widthDiffers	75 mm	76 mm
Package depthDiffers	51 mm	50 mm

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.