Teltonika NetworksPart no. TN-PR4LC21K

Teltonika PR4LC21K – 1.25 Gb/S 20 Km BiDi SFP Transceiver

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Teltonika PR4LC21K – 1.25 Gb/S 20 Km BiDi SFP Transceiver
Teltonika PR4LC21K – 1.25 Gb/S 20 Km BiDi SFP TransceiverSKU: TN-PR4LC21K

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At a glance

Adapter 1
DS-IAE-SFP-G B20X-I_1.25G BIDI SFP135H-ECE3
Connector
Simplex LC
Supported media
Single-mode fiber
Data rate
1.25 Gb/s

Product information

Technical details & specifications ↓

Teltonika PR4LC21K – 1.25 Gb/S 20 Km BiDi SFP Transceiver

Manufacturer order code: PR4LC21K

Technical specifications

Technical Data

Adapter 1DS-IAE-SFP-G B20X-I_1.25G BIDI SFP135H-ECE3
ConnectorSimplex LC
Supported mediaSingle-mode fiber
Data rate1.25 Gb/s
Max. power consumption< 0.8 W
Cable distanceUp to 20 km reach over G.652 SMF
Operating humidity5 to 85 %
TX wavelength1310 nm
RX wavelength1550 nm
Temperature range-40°C ~ +85°C
CaseFully metallic enclosure for low EMI and excellent ESD protection
RoHS✓
REACH✓
Adapter 2DS-IAE-SFP-G B20X-I_1.25G BIDI SFP155H-ELE1
ConnectorSimplex LC
Supported mediaSingle-mode fiber
Data rate1.25 Gb/s
Max. power consumption< 0.8 W
Cable distanceUp to 20 km reach over G.652 SMF
Operating humidity5 to 85 %
TX wavelength1550 nm
RX wavelength1310 nm
Temperature range-40°C ~ +85°C
CaseFully metallic enclosure for low EMI and excellent ESD protection
RoHS✓
REACH✓

Compatible models listed by the manufacturer

RUTXR1, SWM280, SWM281, SWM282, TSW200, TSW202, TSW210, TSW212

Documentation and downloads

Manufacturer technical information checked on 17 October 2026. Check compatibility, connectors, electrical limits, package contents and the complete order code before selection. Price and availability are confirmed on enquiry.

Manufacturer

Teltonika Networks

Manufacturer order code

PR4LC21K

Adapter 1

DS-IAE-SFP-G B20X-I_1.25G BIDI SFP135H-ECE3

Connector

Simplex LC

Supported media

Single-mode fiber

Data rate

1.25 Gb/s

Max. power consumption

< 0.8 W

Cable distance

Up to 20 km reach over G.652 SMF

Operating humidity

5 to 85 %

TX wavelength

1310 nm

RX wavelength

1550 nm

Temperature range

-40°C ~ +85°C

Case

Fully metallic enclosure for low EMI and excellent ESD protection

RoHS

✓

Adapter 2

DS-IAE-SFP-G B20X-I_1.25G BIDI SFP155H-ELE1

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