This yellow BT Engineer Tester 301C is the perfect addition to any collection. With its unique design and UK manufacturing, it is a rare find for any telegraphy enthusiast. This item is sold as a single unit with a specific item code of 315240. Ideal for those interested in parts and components, this tester is perfect for those who enjoy tinkering with old equipment. It is a collectable item that belongs in any radio, television and telephony collection. Immaculate condition on the inside with screen protector on still on. Appears completely unused inside the case, with cables still in the packet, but is slightly dirty on the outside as it has been stored in a BT tent outside.