The HM-243 speaker microphone is designed for use with the IC-705 radio. It features a remote control function, allowing users to operate the radio from a distance. The speaker microphone boasts a robust, high-quality microphone, ensuring clear audio transmission. Additionally, it is equipped with four programmable buttons for easy access to functions such as Up, Down, A, and B. The microphone and speaker have independent plugs, providing flexibility in the device is connection to the radio. 

This speaker microphone is a versatile accessory that enhances the functionality of the IC-705 radio. With its remote control feature, users can conveniently adjust settings and operate the radio from a distance. The powerful speaker delivers clear audio output, while the high-quality microphone ensures that transmissions are crisp and intelligible. The four programmable buttons allow for customization based on user preferences, making it easier to access frequently used functions.

One key feature of the HM-243 speaker microphone is its independent plugs for the microphone and speaker. This design allows for separate connections to the radio, providing flexibility in setup and use. Whether you prefer to use the microphone close to you while having the speaker at a distance or vice versa, the independent plugs make it possible to configure the device according to your needs.