Description
Product
Enhance your marine electronics setup with the Airmar MMC-EXT-20 Extension Cable, designed specifically for seamless connectivity in CHIRP MMC systems. This 20-foot extension cable provides the perfect solution for extending the reach of your 12-pin CHIRP MMC cables, ensuring optimal performance without any signal loss.Crafted for durability and flexibility, the Airmar MMC-EXT-20 is constructed from high-quality materials that withstand harsh marine conditions. This extension cable allows you to position your marine devices precisely where you need them for effective data reception, making it an essential tool for any boat enthusiast or professional captain.
- 20-foot length for versatile installation options
- High-quality 12-pin connectors for robust signal transmission
- Compatible with Airmar CHIRP MMC systems for enhanced performance
- Durable design ideal for harsh marine environments
- Easy to install, making it suitable for DIY enthusiasts
Upgrade your boat’s connectivity with the Airmar MMC-EXT-20 Extension Cable and experience heightened performance on the water today!


![Jabsco HotShot HD4 Heavy Duty Washdown Pump – 24V – 4 GPM – 60 PSI [Q402J-118N-3A]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/jabsco-hotshot-hd4-heavy-duty-washdown-pump-24v-4-gpm-60-psi-q402j-118n-3a.webp)

![GROCO 1-1/4″ Bronze Electric Flanged Seacock – 12V [FBVE-1250 12V]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/groco-1-1-4-bronze-electric-flanged-seacock-12v-fbve-1250-12v.webp)
![Rapala Combo Pack – Pliers, Clipper, PunchSharpener [RTC-6PCHS]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/rapala-combo-pack-pliers-clipper-punchsharpener-rtc-6pchs.webp)
![Whitecap Teak Lumber – 1/2″ x 1-3/4″ x 72″[60813]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/whitecap-teak-lumber-1-2-x-1-3-4-x-72-60813.webp)

![Ancor 24-22 Gauge Heat Shrink Step-Down Multi-Wire Connectors – 25-Pack[320025]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/ancor-24-22-gauge-heat-shrink-step-down-multi-wire-connectors-25-pack-320025.webp)
![Shadow-Caster Courtesy Light w/2′ Lead Wire – 316 SS Cover – Great White – 4-Pack[SCM-CL-GW-SS-4PACK]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/shadow-caster-courtesy-light-w-2-lead-wire-316-ss-cover-great-white-4-pack-scm-c.webp)