The K4 wideband control antenna is designed to operate in the frequency range of 1490-1720 MHz with a standing wave ratio of 1.2. Optimized for stable signal transmission over medium to long distances, it delivers high performance even in environments with moderate to significant levels of radio interference.

Advantages:
Operating range: 1490-1720 MHz
VSWR value: 1.2 – minimal energy loss during transmission
Optimized for mid-frequency Hi Band
High stability in interference environments
Ideal for drones and control systems operating at medium ranges
Application features:
Best suited for frequencies from 1.4 to 1.7 GHz
Supports operation with ExpressLRS systems
Compatible with FT and BayckRC receivers
Omnidirectional antenna with wide bandwidth, stable transmission and high efficiency
Designed and tested in Ukraine

Range: 1490MHz-1720MHz
CSX 1.2
Polarization: linear