The Vintage for parts or repair only Heathkit GR-78 Ham Radio Transceiver is a black base station radio communication device manufactured by Heathkit in the United States. This analog transceiver operates on bands of 14.0MHz, 21.0MHz, 3.5MHz, and 7.0MHz, making it compatible with various headphones and antennas for a complete ham radio communication setup. Perfect for hobbyists and collectors, this Heathkit GR-78 model offers a nostalgic touch to radio communication technology thank you for looking.