1. Jam a broad spectrum of frequencies to affect all communications in the area except for directional antenna communications

Type of: block, jam

• penicillin V potassium
• penicillin-resistant
• penicillin-resistant bacteria
• penicillinase
• penicillinase-resistant antibiotic
• Penicillium
• penile
• penile implant
• peninsula
• peninsular
• penis
• penis envy
• penitence
• penitent
• penitential
• penitentially
• penitentiary
• penitently
• penknife
• penlight
• penman
• penmanship
• Penn
• penn'orth
• penna