Fix it, Square Brakets
SELECT TempQuery1.Filter_ID, TempQuery2.Channel, TempQuery2.SpeedBands, TempQuery1.Filter_Channel, TempQuery1.Filter_type
FROM
[SELECT Tbl_Lookup_Channels.ID AS Channel, Tbl_Lookup_SpeedBand.ID AS SpeedBands
FROM Tbl_Lookup_Channels, Tbl_Lookup_SpeedBand]. AS...