The TRJ-89 model was designed specifically for TACTICAL RESPONSE units required to deploy a wide area blanket of RF silence during the following situations:
| a. Explosive device location(s) (bombs) |
| b. Hostage situations (campus environments) |
| c. Communication control during Riots |
| d. Military intervention |
The TRJ-89 can be easily towed behind most vehicles, is electrically self sufficient, and has a maximum jamming radius of up to five miles.
TX Frequency Range: 20 MHz to 4.2 GHz (Other frequency ranges available upon request.)
110 VAC (Trailer mounted generator power)
220 VAC (Trailer mounted generator power)
| Model | Power Output @ RF Port |
| TRJ-7 | 30 watts |
| TRJ-8 | 60 watts |
| TRJ-9 | 120 watts |
| TRJ-10 | 240 watts |
| TRJ-11 | 480 watts |
