Description: Compatible Models: Remote speaker mic for use with the following Radio/Transceiver that require Modular 6 pin plug, For FT-7800R FT-7900R FT-8800R FT-8900R FT-1900R FT-2900R FT-1802M FT-2800M FT-1500M FT-1807M FT-7100M Radio 6 pin Modular: Remote speaker microphone has modular 6 pin plug with easy to clip at the back. Push To Talk: Two way radio speaker mic has Push To Talk button and microphone are located on the accessory for quick and easy to use. Advantage Functions: Two way radio microphone, Easy to talk and listen without lifting your radio / transceiver, produces excellent transmitted audio clarity, as well as a powerful speaker, stable performance and high reliability. Widely Applications: Speaker mic for walkie talkie is Unique and stylish appearance, easy to carry and simple to use, widely used for Patrol, and dispatch personnel, commercial vehicles, self driving enthusiasts, etc. Specification: Material: PP Size: 14.5cmx8.5cmx5.5cm/5.71inchx3.35inchx2.17inch Package Includes: 1Pcs Remote Speaker Mic Note: Please allow slightly errors due to manual measurement and different monitors.