Product comparison · 2 network transceiver modules

Dahua Technology PFT3900 network transceiver module Fiber optic 155 Mbit/s SFP 850 nm vs Dahua Technology PFT3920 network transceiver module Fiber optic 155 Mbit/s SFP

Key differences

Single-mode fiber (SMF) supported
- PFT3900 network transceiver module Fiber optic 155 Mbit/s SFP 850 nm:No
- PFT3920 network transceiver module Fiber optic 155 Mbit/s SFP:Yes
Multi-mode fiber (MMF) supported
- PFT3900 network transceiver module Fiber optic 155 Mbit/s SFP 850 nm:Yes
- PFT3920 network transceiver module Fiber optic 155 Mbit/s SFP:No
Maximum transfer distance
- PFT3900 network transceiver module Fiber optic 155 Mbit/s SFP 850 nm:2000 m
- PFT3920 network transceiver module Fiber optic 155 Mbit/s SFP:20000 m

Differences highlightedShow differences only

Comparison of PFT3900, PFT3920
13 specifications	A Dahua Technology PFT3900 network transceiver module Fiber optic 155 Mbit/s SFP 850 nm Model PFT3900 View product	B Dahua Technology PFT3920 network transceiver module Fiber optic 155 Mbit/s SFP Model PFT3920 View product
Performance3 differ
SFP transceiver type	Fiber optic	Fiber optic
Maximum data transfer rate	155 Mbit/s	155 Mbit/s
Interface type	SFP	SFP
Single-mode fiber (SMF) supportedDiffers	No	Yes
Multi-mode fiber (MMF) supportedDiffers	Yes	No
Fiber optic connector	LC	LC
Maximum transfer distanceDiffers	2000 m	20000 m
Tx wavelength (max)Known for one	Unknown — not stated by the source	1550 nm
Rx wavelength (max)Known for one	Unknown — not stated by the source	1310 nm
WavelengthKnown for one	850 nm	Unknown — not stated by the source
Certificatesidentical
CertificationKnown for one	Unknown — not stated by the source	CE, FCC
Operational conditionsidentical
Minimum operating temperature	-40 °C	-40 °C
Maximum operating temperature	85 °C	85 °C

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.