IMPACT K2-G1W-EH1 GOLD SERIES 1-WIRE SURVEILLANCE EARPIECE KIT FOR KENWOOD TK AND NEXEDGE RADIOS. IMPACT GOLD SERIES 1-WIRE EARPIECE HEADSET WITH INLINE FULL SIZE PUSH-TO-TALK (PTT). THE “WORKMAN GRADE” 1 WIRE SURVEILLANCE KIT INCLUDES OUR NEW FULL SIZE IN-LINE PUSH-TO-TALK (PTT) MICROPHONE WITH CLOTHING CLIP AND METAL SCREEN MIC. THE ULTIMATE SOLUTION FOR THE BUDGET CONSCIOUS USER WHO REFUSES TO SACRIFICE QUALITY! RUGGED KEVLAR RE-ENFORCED COIL CABLE. SCREENED MIC ON PTT (NOT PIN HOLE THAT CAN CLOG). TWO YEAR WARRANTY! COMPATIBLE WITH KENWOOD TK-190 TK-290 TK-390 TK-280 TK-380 TK-480 TK-2140 TK-3140 TK-2180 TK-3180 TK-4180 TK-481 TK-3212 TK-5210 TK-5400 TK-385 TK-3148 TK-5410 TK-5220 TK-5310 TK-5410 TK-5320 TK-5420 NEXEDGE NX-200 NX-210 NX-300 NX-410 NX-5200 NX-5300 NX-5400 TWO WAY WALKIE HANDHELD RADIOS.