Thank you for viewing. Manufacturer and model number are unknown. Telephone line Modular cable 4-core Gray Approximately 1.5m As is. Unused, but it has likely deteriorated due to long-term storage in a bare state. I cannot describe the condition in full detail, so please check the images carefully. Will be shipped via Yu-Packet Post Mini. Due to size restrictions, sufficient cushioning material cannot be used. Thank you for your understanding. If you prefer a different shipping method, please comment, although it will result in a price increase to cover the difference in shipping costs.