RF Transceiver Modules and Modems

string(370) "( 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 = 900 AND valueid = 547141 ) OR ( catid = 846 AND attrid = 1672 AND valueid = 526509 ) ) GROUP BY `prodid` HAVING COUNT(`prodid`) >= 2 ) t2 ON t1.`prodid`=t2.`id` WHERE `catid` = 846 ORDER BY `id` ASC LIMIT 0,20 )"