Teltonika PR4LC21K 1.25 Gb/s 20 km BiDi SFP TransceiverWhen you need to stretch your network across longer distances or between buildings/cabinets where copper or short fibre won’t suffice, the PR4LC21K offers a plug-in SFP module tailored for the job. It supports bidirectional data transmission over a single fibre strand, simplifying installation and reducing fibre cabling costs.Designed to integrate seamlessly with Teltonika SFP-enabled routers and switches, this module ensures compatibility and reliability. Its industrial ratings make it appropriate for use in remote sites, outdoor enclosures, campus networks, CCTV links, and any scenario where high-reliability fibre connectivity is required.FULL SPECIFICATIONGeneralData rate: 1.25 Gb/sLink distance: up to 20 km (over G.652 single-mode fibre)Connector: Simplex LCElectrical / PowerMaximum power consumption: < 0.8 WMedia / FibreMedia type: Single-mode fibre (SMF)Wavelengths:One variant: TX 1310 nm / RX 1550 nmOther variant: TX 1550 nm / RX 1310 nmTransmission type: WDM Bidirectional (BiDi)Physical / EnvironmentalOperating temperature range: -40 °C to 85 °CHumidity: 5 % to 85 % non-condensingEnclosure: Fully metallic housing for low EMI and excellent ESD protectionRoHS and REACH compliantCompatibilityFits standard SFP slots in compatible Teltonika devicesIdeal for long-distance fibre links where a bidirectional single-fibre solution is requiredOrdering InformationPart number: PR4LC21KDescription: Teltonika 1.25 Gb/s 20 km BiDi SFP TransceiverIf you’re unsure whether your switch or router supports this module, check for a compatible SFP slot and whether long-distance single-mode fibre (20 km) is required. SKU: Teltonika-PR4LC21K-N Categories: Accessories, Teltonika Accessories, Teltonika Enterprise Switches Tags: 1.25Gb SFP, 3G Router Store, BiDi SFP, fibre transceiver, industrial SFP, LC SFP, long-distance SFP, PR4LC21K, SFP module, single-mode SFP, Teltonika, Teltonika accessory, WDM SFP Brand: Teltonika
