Add to Cart Quick view National Radio 3 Plug in Band Coils Marked 20E on Each Coil Base Millen MSRP: Now: $34.99 Was: National Radio 3 Plug in Band Coils Marked 20E on Each Coil Base. This set of 3 plug in band coils appear to be part of the AR series of coils and I do not know which radio they were made for. Each different coil has 20E stamped on the... MSRP: Now: $34.99 Was: Add to Cart Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $34.99 Was: Subtotal: Add to Cart