Since the Wireless GO II TX has been discontinued, we do not have replacement units currently available.
We do, however, have Wireless GO (Gen 3) transmitters available for separate purchase, which can be paired to any Series IV RX: What are RØDE Wireless Series IV Products?
Further guidance: How to Pair the Wireless GO (3rd Gen) Transmitter to the Receiver
How to Purchase
The Wireless GO (Gen 3) TX transmitter is now available for individual purchase from the official RØDE website: Wireless GO (Gen 3) TX
For more information or questions about our RØDE products, please contact us here.