
CHA LINK-D (Linked Dipole)
Multi-Band Resonant Dipole Add-On for CHA LEFS 4010
The CHA LINK-D is a lightweight, resonant linked dipole antenna add-on designed to complement the CHA LEFS 4010, transforming it from a versatile end-fed half-wave antenna into a high-performance, multi-band horizontal or inverted “V” dipole. Covering 40, 30, and 20 meters (7.0–14.35 MHz), the CHA LINK-D eliminates the need for an antenna tuner by providing resonant performance across each band, thanks to integrated band links that allow quick transitions between operating frequencies.
This antenna features pre-assembled, color-coded dipole wires (40M, 30M, and 20M segments) with rugged link connectors for rapid field deployment. It’s the ideal solution for Parks on the Air (POTA), Summits on the Air (SOTA), and other portable operations where reliable band agility and low SWR are critical.
Designed to be mounted on a mast or suspended from natural supports like trees, the CHA LINK-D excels in both horizontal and inverted “V” configurations. It supports Near Vertical Incident Skywave (NVIS) communication on lower bands for short to medium-range regional contacts, and low-angle DX propagation on higher bands.
Features & Benefits
- Resonant operation on 40, 30, and 20 meters – no tuner required
- Tool-free band switching via rugged link connectors
- Designed exclusively for the CHA LEFS 4010 using its integrated dipole terminals and coaxial port
- Supports both horizontal and inverted “V” setups
- Compact, pre-assembled design for quick setup in under 10 minutes
- Ideal for field deployment, emergency communications, and portable activations
- Handles up to 100W SSB / 100W CW and Digital
- SWR typically under 2:1 across all supported bands
Package Contents
- Two pre-measured wire elements (20 gauge PTFE wire)
- One winder
- Band link jumpers with durable alligator clips
- Pre-installed terminal lugs
- Stainless steel carabiners
- Quick start setup guide
Specifications
- Bands: 40m (7.0–7.3 MHz), 30m (10.1–10.15 MHz), 20m (14.0–14.35 MHz)
- Configuration: Linked dipole (horizontal or inverted “V”)
- Connection: Wingnut terminals and BNC coaxial port on CHA LEFS 4010
- Power Rating: 100W SSB / 100W CW and Digital
- Deployment Time: <10 minutes by a single operator
- Weight: Lightweight, compact wires with insulation suitable for outdoor use
Compatibility
The CHA LINK-D is exclusively designed for use with the CHA LEFS 4010, utilizing its dipole attachment terminals and second BNC coaxial connector as shown on pages 9–10 of the CHA LEFS 4010 Operator’s Manual.
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