Debs uses a compact audio mixing desk to control a video monitor in the tent.
The movie's title is incorrect; Ants do not live in hives, but rather "armies" or "colonies" and also live in "hills" or "mounds".
One of the team Thoax members yells about going to melt some endoskeletons, ants like most other insects have exoskeletons.
While the soldiers running around throughout the movie look 'professional' carrying what appears to be automatic weapons, the usefulness of any rifle against an ant or any group of ants is going to be very, very limited.
Around the minute 81 a caravan of jeeps and vans passes by the edge of a lake or river and it is obvious that some background mountains were digitally added since they are not reflected in the water.