unjammable

English

Etymology

From un- +‎ jammable.

Adjective

unjammable (not comparable)

1. Not jammable; unable to be jammed; immune to jamming
   • 2002, James F. Dunnigan, The Next War Zone: Confronting the Global Threat of Cyberterrorism:

     […] use searchlights (set up in a long line) to serve as a primitive, but effective, form of unjammable radar.

   • 2020, Andrew Vaillencourt, Sullivan's Gift:

     Telemetry would be sent to Kinzei, who had agreed with great reluctance to ensure an unjammable signal got broadcast to seventy percent of the Northern Hemisphere.