2WXH Elite Two Wire Air Tube Surveilance Kit Hard Wired

2SF Covert Two Wire Kit with Finger PTT

2SS Covert Two Wire Kit with Remote PTT

2WB Two Wire Ear Bud Surveillance Kit

2WD2 Two Wire D Ear Hook Surveillance Kit

2WHH Two Wire Ear Hook Surveillance Kit Hard Wired

2WH Two Wire Ear Hook Surveillance Kit

2WK Two Wire Covert Surveillance Kit

2WSL Two Wire Kit for use with Receive Only Kits

2WX Elite Two Wire Air Tube Surveillance Kit

2WZ New Two Wire Elite Air Tube Headset