If your unit is a GA series (not including the GA-92 series), your serial number will be located beside the batteries (you will need to remove the cover of your unit to access the batteries). If your unit is a GA-92 series, XTpc series or XT-512, the serial number is located on the left side of the unit while holding the receiver in your hand. If your unit is an XTpc series, the transmitter also has the serial number located on the side end opposite the connector side end. The serial number for Rex’s receiver is located on the left…
