JCD401 868MHz RP-SMA Rubber Duck Antenna

The JCD401 868MHz RP-SMA Rubber Duck Antenna is the no-nonsense upgrade for your long-range rigs. Tuned for 868 MHz ExpressLRS or other LRS systems, these stubby little ducks give you the balance of gain, durability, and portability that pilots need when sending it further than the local park. Screw them on, forget about them, and let your signal do the talking.

Why You Want It

Because stock antennas are like stock props fine until you actually care. The JCD401 rubber ducks deliver stable link quality without snapping at the first crash or bending like a spaghetti whip in your backpack. They’re compact, rugged, and tuned for reliable 868 MHz performance, keeping you connected when you stretch the limits. 

Specifications

• Frequency: 868 MHz (ExpressLRS long-range sweet spot)
• Connector: RP-SMA male
• Length: ~110 mm (small but mighty)
• Gain: 2 dBi (balanced for omnidirectional coverage)
• Impedance: 50 Ω (standard RF matching)
• Quantity: 1 antenna

What’s in the Box*

• 1× JCD401 868MHz RP-SMA Rubber Duck Antennas

Still Here?

Alright, range warrior—the JCD401 868MHz Antenna is the low-effort, high-value upgrade for ExpressLRS pilots who want clean links and fewer failsafes. Add them now, or keep rocking that sad bent whip and hope for the best.