01
Feed & transmissions
Post updates, attach images, share links, and vote the signal up or down. The feed is the common channel.
// secure. build. transmit.
PHYSICAL
SECURITY,
UNDERGROUND.
Join the community of low-voltage and physical security operators. Free to transmit. Upgrade when you're ready to build.
No credit card required. Cancel anytime.
D28 // LANDING◆ online
Operators registered
000
Transmissions relayed
000
Racks built
000
Free tier
Transmit at zero cost.
Every operator gets the community layer. No paywall on conversations, profiles, or the feed.
02
Profiles & handles
Build your operator profile with an avatar, handle, and role. Your identity stays anonymous inside the community.
03
Voting & moderation
The community moderates itself. Flagged transmissions enter the admin queue for review.
D2eight+
Rack Builder
Build rack elevations at real-world 1:1 scale. Drag access control, networking, and power devices from the shared library, watch totals update live, and export CAD-ready drawings for Revit or the field.
- Drag devices from the curated library into a true 1:1 rack elevation.
- Power, heat, and weight totals calculate automatically as you build.
- Export to DXF, PDF, PNG, or JPEG with Revit-ready CAD layers.
Preview14U · FRONT ELEVATION
Power, heat, and weight are calculated automatically.
Power
1,240 W
Heat
4,230 BTU/hr
Weight
187 lb
D2eight+
Punch list & commissioning.
Upload drawing sets, drop numbered pins where issues live, redline the plans, and run commissioning checklists device by device. Generate PDF reports ready for sign-off.
- Drop numbered punch pins on drawings — red open, amber review, green closed.
- Build reusable commissioning checklists per device type with photo and note requirements.
- Run one device at a time: pass / fail / N/A each item, auto-create punch items from failures.
PreviewPLAN · PINS · RUNS
Checklists, markups, and reports stay synced to each sheet.
Ready to transmit?
Create a free account and join the underground physical security community today.