Aeroflex announced it has submitted its high-speed downlink packet access (HSPDA) conformance test case for approval to the 3GPP RAN5 Working Group. The conformance test case checks the ability of a WCDMA handset to support Release 5 HSPDA functionality and tests inter-system handover to GPRS (2.5G) networks, the company said. It runs on the existing Aeroflex 6401 AIME/CT ISHO test system.