... .support SAM,SMS,GPRS,WIFI 3.Laser barcode reader module Handheld Barcode Scanner Main Applications:Business, retail management; Logistics supply chain ... , code 39 code93, codabar125; resolution (pcs0.9); 0. 10mm(4mil); depth of field: 10-420mm(pcs0.9, density0.25); read breadth ...