LFHUKEJI
RJ45 to RS232, DB9 9-Pin Serial Port Female to RJ45 Cat5 Ethernet LAN Console 3.3Ft
Bottom line: The LFHUKEJI RJ45 to RS232 ($7.88 on Amazon as of 2026-10-06): Bi-directional DB9-to-RJ45 serial-to-network transparent data transmission; main trade-off: short 3.3 ft (1m) reach; tight for tall server racks.
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*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Bi-directional DB9-to-RJ45 serial-to-network transparent data transmission
- ✓ Oxygen-free copper conductors for clearer, higher-speed signal
- ✓ Double-shielded construction blocks outside interference on the line
- ✓ Fits most router and switch console ports for CLI setup
Cons
- ✗ Short 3.3 ft (1m) reach; tight for tall server racks
- ✗ Only works on gear with a labeled "console" port
- ✗ No support for printers or non-console serial devices
- ✗ DB9 female to RJ45 female only; check your port genders first
SpecPicks Verdict
SpecPicks scored LFHUKEJI RJ45 to RS232 using a rating × review-volume × price-fit model applied to published specs and reviews across the cables & connectors category. LFHUKEJI's cables & connectors lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for cables & connectors of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- DB9 RS232 female to RJ45 female cable for TCP/IP network interface with the doual-way conversion, with the serial port network function, support serial data and network data bi-directional transparent transmission
- Connect the equipment serial port to the RJ45 “console” port on routers switch,the cable can help engineer through the PC update the network device settings and device understratum operating
- Compatible with most routers switch on the market.Please note that your device interface must have the "console" identification character.We do not support devices such as printers that do not have a "console" port.
- Oxygen-free copper transmission wire, high-speed clear signal transmission
- Double-shielded standard to ensure that signal transmission without interference
Full Specifications
| Brand | LFHUKEJI |
|---|---|
| Color | Black |
| Model | GU13 |
| Wattage | 600 watts |
| Cable Type | USB |
| Item Shape | Round |
| Unit Count | 1.0 Count |
| Part Number | GU13 |
| Compatibility | PC, Switch |
| Connector Type | RJ45 |
| Number of Pins | 9 |
| Number of Items | 1 |
| Special Feature | High Speed |
| Connector Gender | Female-to-Female |
| Compatible Devices | Router, Switch |
| Data Transfer Rate | 3.3 Gigabits Per Second |
| Indoor Outdoor Usage | Indoor, Outdoor |
| Customer Package Type | Standard Packaging |
| Compatible Phone Models | No Compatible Phone Models |
| Connectivity Technology | Ethernet |
Ready to buy?
RJ45 to RS232, DB9 9-Pin Serial Port Female to RJ45 Cat5 Ethernet LAN Console 3.3Ft is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
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