More successful DMR interoperability tests

The UK’s DMR Association has completed two more Tier III and one Tier II interoperability testing sessions.

The Digital Mobile Radio (DMR) Association in the UK has announced the completion of three further successful DMR interoperability test sessions. Two sessions were for DMR Tier III (trunked operation) and the third session for Tier II (conventional operation). The Tier II tests took place between Selex ES and Simoco. The Tier III sessions took place between Selex ES (infrastructure) and Hytera (terminals) and Selex ES (infrastructure) and Tait Communications (terminals).

The completion of these tests brings the total number DMR manufacturers offering DMR IOP Certified Tier II products to 8, those offering DMR IOP Certified Tier III products to 4 and the number of completed DMR bilateral test sessions to 15.

DMR Tier II Mandatory features tested were: Group Call, Individual Call (PATCS), Individual Call OACSU and All Call.

DMR Tier III Mandatory features tested were: Registration, Single Site Talk Group Voice Call service, Single Site Individual Voice Call service using OACSU on single frequency pair, Single Site Individual Voice Call service using OACSU, Single Site Individual Voice Call service using FOACSU, Control Channel Hunting, Single Site Short Data Message (text).

DMR Tier III Optional features tested in the sessions were: Multisite Talk Group voice call services, Individual Multisite Voice Call service using OACSU and FOACSU, and Multisite Single Site Short Data Messages.

Details of specific products and features tested in the sessions are available on the DMR Association website at: http://dmrassociation.org/?cat=40.