All Lethal equipment can deal lethal damage, hence the designation.
Limited-per-life items that harm enemies, usually in explosive fashion. Think Claymores, Frag Grenades, C4, and more.
Proximity Mine
Proximity-triggered explosive that launches in the air, and deals heavy damage to the surrounding area.
Unlocked: Default
Drill Charge
Charge with a thermal lance that can burrow into surfaces before exploding.
Unlocked: Level 7