RF Transceiver Modules and Modems

string(365) "( SELECT `prodid` AS `id` FROM `tbl_product_idx` `t1` INNER JOIN ( SELECT `prodid` AS `id` FROM `tbl_product_attr_idx` WHERE ( ( catid = 846 AND attrid = 600 AND valueid = 20 ) OR ( catid = 846 AND attrid = 279 AND valueid = 543233 ) ) GROUP BY `prodid` HAVING COUNT(`prodid`) >= 2 ) t2 ON t1.`prodid`=t2.`id` WHERE `catid` = 846 ORDER BY `id` ASC LIMIT 0,20 )"