HardLabs

FiberPhantom — Covert Fiber Optic Network Tap & MITM Implant

jayis1·hacker-devices·fiber-phantom/kicad/fiber-phantom.kicad_pcb

FiberPhantom — Covert Fiber Optic Network Tap & MITM Implant PCB layout, top view — open source RP2040/RP2350 board by jayis1

About the FiberPhantom — Covert Fiber Optic Network Tap & MITM Implant PCB

FiberPhantom — Covert Fiber Optic Network Tap & MITM Implant is an open source RP2040/RP2350 PCB design by jayis1, published on GitHub. It is a 4-layer board measuring 82 × 34 mm, with 17 components from 17 distinct parts.

Its main chip is the RP2040, from the RP2040/RP2350 family. Other key parts include the iCE40-UP5K-SG48, nRF52840, MAX3658, W25Q128JV and AP2112K-3.3. By type, the board carries 9 ICs, 3 connectors, 2 diodes and 1 crystal.

From the project

Full-cycle hardware designs for security research devices — each device is a subfolder with its own README, schematics, PCB layout, and software stack

Author: jayis1 Version: 1.0 Date: 2026-06-17

This device is designed exclusively for authorized security research, penetration testing, and red team operations. Use of FiberPhantom against any network, fiber infrastructure, or communications link without explicit written authorization from the asset owner is illegal in most jurisdictions and may constitute a federal crime (e.g., 18 U.S.C. § 2511, § 1030; CFAA; ECPA; equivalent laws in other countries). The author (jayis1) does not condone or support unauthorized interception of communications. You are solely responsible for ensuring you have…

Main components on the FiberPhantom — Covert Fiber Optic Network Tap & MITM Implant

RP2040iCE40-UP5K-SG48nRF52840MAX3658W25Q128JVAP2112K-3.3AP2112K-1.2MCP73831TPS61085

FiberPhantom — Covert Fiber Optic Network Tap & MITM Implant bill of materials (BOM)

17 components, 17 distinct parts.

QtyPartRefs
1
RP2040
U1
1
iCE40-UP5K-SG48
U2
1
nRF52840
U3
1
MAX3658
U4
1
W25Q128JV
U7
1
AP2112K-3.3
U8
1
AP2112K-1.2
U9
1
MCP73831
U10
1
TPS61085
U12
1
12MHz
Y1
1
USB-C_16P
J1
1
MicroSD
J2
1
SFP+
J3
1
LiPo_1200mAh
BAT1
1
FusedCoupler_90:10
OPT1
1
C30659-APD
D5
1
VCSEL-1310nm
D6

FiberPhantom — Covert Fiber Optic Network Tap & MITM Implant design files

The KiCad project lives in the jayis1/hacker-devices repository on GitHub; these links point at the commit this page was built from.

FiberPhantom — Covert Fiber Optic Network Tap & MITM Implant: common questions

What microcontroller does the FiberPhantom — Covert Fiber Optic Network Tap & MITM Implant use?

The FiberPhantom — Covert Fiber Optic Network Tap & MITM Implant is built around the RP2040, from the RP2040/RP2350 family.

How big is the FiberPhantom — Covert Fiber Optic Network Tap & MITM Implant PCB?

The FiberPhantom — Covert Fiber Optic Network Tap & MITM Implant measures 82 × 34 mm, has 4 copper layers and is 1 mm thick.

How many components are on the FiberPhantom — Covert Fiber Optic Network Tap & MITM Implant?

17 components, from 17 distinct parts. The full bill of materials is listed on this page.

Where can I download the FiberPhantom — Covert Fiber Optic Network Tap & MITM Implant design files?

From the jayis1/hacker-devices repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the FiberPhantom — Covert Fiber Optic Network Tap & MITM Implant design in my own project?

The repository has no license, so all rights stay with jayis1. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the FiberPhantom — Covert Fiber Optic Network Tap & MITM Implant without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.

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