which is really better? system i work in has 5 different channels. we used to acquire ip quick. now, modems have to be reset to factory default. try to get upstream locked and it starts with 1-5. lockes to 675first, then 681 and so on, 687, 693, 699. about 30 minutes each, give or take. if modem came from specific freq., will acquire within 1 min. any help gladly taken.