RF Receiver, Transmitter, and Transceiver Finished Units

string(361) "( SELECT `prodid` AS `id` FROM `tbl_product_idx` `t1` INNER JOIN ( SELECT `prodid` AS `id` FROM `tbl_product_attr_idx` WHERE ( ( catid = 841 AND attrid = 1 AND valueid = 1 ) OR ( catid = 841 AND attrid = 46 AND valueid = 542567 ) ) GROUP BY `prodid` HAVING COUNT(`prodid`) >= 2 ) t2 ON t1.`prodid`=t2.`id` WHERE `catid` = 841 ORDER BY `id` ASC LIMIT 0,20 )"