Microphones 5.56 X 3.98 X 2.21MM -57 SENS, 12S PORT
| CNHTS | 8518100000 |
| CAHTS | 8518100000 |
| USHTS | 8518108030 |
| JPHTS | 851810000 |
| TARIC | 8518100090 |
| ECCN | EAR99 |