Detailed Product Description EM660,3G module,CDMA module,EM660,3G module,CDMA module,EM660,3G module,CDMA module, The EM660 supports the following standards:l CDMA2000 1xl ... interface. In theservice area of the CDMA2000 1x, EV-DOr0 or EV-DorA network, you can surf theInternet, send messages and ...