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David Clark U3810 Drilled Screened Box, P/N 26497P‑07
Compact radio interface module for David Clark Series 3800 intercom systems. The U3810 delivers full radio transmit/receive functionality in a rugged, EMI-shielded enclosure, perfect for small multi-position crew setups.
Integrated Radio Interface – Adds full radio TX/RX capability to Series 3800 systems
Built-in PTT Switch – Momentary push-to-talk button for direct transmission control
Compact and Lightweight – Approx. 0.1 lb, ideal for space-constrained installations
Flexible Connectivity – One intercom input, one radio input, and remote PTT support
Made in the USA – Reliable quality and EAR99 export compliant
The David Clark U3810 (P/N 26497P‑07) is a purpose-built radio interface module for 2–3 position Series 3800 intercom systems. It allows all connected headsets to transmit and receive radio communications when the internal PTT is activated. Housed in a drilled and screened aluminum enclosure, the unit is compact, lightweight, and built to withstand harsh mobile environments. With multiple connector ports and optional remote PTT integration, it enables flexible system design and reliable crew communication.
Technical Specifications
Part Number: 26497P‑07
Model: U3810
Function: Radio TX/RX interface for Series 3800 systems
Enclosure: Drilled and screened aluminum
PTT: Internal push-button and optional remote PTT cable
Connectors: 1x system input, 1x radio input, remote PTT support
Weight: Approx. 0.1 lb (shipping weight)
Country of Origin: USA
Export Classification: EAR99
Use Case: Ideal for intercom systems with 2–3 user positions
This is nearly identical to my first pilot logbook, but with a new smooth matte black cover. This logbook checks all the boxes from student pilot through Commercial. It might just be the only logbook you’ll ever need. Fly safe!
