Zeadio Handheld Speaker Mic Microphone with UHF Antenna for Motorola Radio Gp328 Gp329 Gp338 Gp339 Gp340 Gp680 Gp1280 Ht750 Ht1250 Ptx760 Ptx780 Mtx950 Mtx960 Etc. External Antenna to enhance transmitting and receiving 360 degree rotatable back clip Clear sound and accurate communication PTT Button with excellent elasticity &lt;b&gt;Sold exclusively by Zeadio&lt;/b&gt;