The XT60 with Radiotelephone; Quick Charger, low battery indicator; 446MHz is manufactured by Middle Atlantic, an American manufacturer of durable electrical, AV, communications and power products. This electronic part has a strong nylon housing and 446MHz frequency, making it ideal for use in telecom and marine applications. It also has a quick charging circuit, allowing for faster charging times when connected to a compatible power source. Additionally, the XT60 has a built-in low battery indicator, which battsies when the battery is running low. Finally, the XT60 is compliant with a majority of existing telecom and marine industry standards.