Pole-21

Russia's distributed cell-tower-based GNSS jamming network, designed to degrade satellite navigation for precision weapons, cruise missiles and UAVs across defended areas.

Overview

Pole-21 is a Russian electronic-warfare system built around the R-340RP jamming station and distributed antenna posts mounted on cellular communications towers or masts. Its purpose is to suppress satellite-navigation signals used by GPS, GLONASS, Galileo and BeiDou receivers, thereby complicating the operation of guided munitions, cruise missiles and UAVs against protected sites. Deagel describes Pole-21 as a system for neutralizing satellite-navigation channels, while the US Army's ODIN Worldwide Equipment Guide characterizes the export Pole-21E configuration as a network of jammers placed on cell towers or masts and integrated with R-340RP transmit antennas.

The system's distinctive feature is architectural rather than simply power output. Instead of relying on one large vehicle-mounted jammer, Pole-21 distributes multiple jamming posts across telecom infrastructure to create a wider denial zone. This makes it a passive complement to kinetic air defense: it does not intercept a munition, but attempts to deprive GNSS-dependent weapons and drones of usable positioning data before they reach a target.

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