STIR boiling water into dry jelly powder in large bowl at least 2 min. until completely dissolved. Stir in club soda. Refrigerate 1-1/2 hours or until thickened (spoon drawn through leaves definite impression).
STIR in oranges and strawberries. Pour into 9x5-inch loaf pan sprayed with cooking spray.
REFRIGERATE 4 hours or until firm. Remove from loaf pan. Store leftover salad in refrigerator.