Transponding receiver 4 by Digitrax 245-RX4

Use up to two RX4s with a BDL168 to add Transponding to any 8 detection sections on your layout.

Use one RX4 with a BDL162 or BDL16 to add Transponding to any 4 detection sections on your layout. (Note: BDL16 & BDL162 are discontinued).