Hardware

The aboriginal bartering iDEN handset was Motorola's L3000, which was appear in 1994citation needed. Most avant-garde iDEN handsets use SIM cards, agnate to, but adverse with GSM handsets' SIM cards. Early iDEN models such as the i1000plus stored all subscriber advice central the handset itself, acute the abstracts to be downloaded and transferred should the subscriber wish to about-face handsets. Newer handsets application SIM technology accomplish advance or alteration handsets as simple as swapping the SIM card. Four altered sized SIM cards exist, "Endeavor" SIMs are acclimated alone with the i2000 after data, "Condor" SIMs are acclimated with the two-digit models (i95cl, for example) application a SIM with beneath anamnesis than the three-digit models (i730, i860), "Falcon" SIMs are acclimated in the three-digit phones, (i530, i710) and will apprehend the abate SIM for astern compatibility, but some avant-garde appearance such as added acquaintance advice is not accurate by the earlier SIM cardscitation needed. There is aswell the "Falcon 128" SIM, which is the aforementioned as the aboriginal "Falcon", but angled in anamnesis size, which is acclimated on new 3 chiffre phones (i560, i930)citation needed.

The interconnect-side of the iDEN arrangement uses GSM signalling for alarm start-up and advancement management, with the Abis agreement assemblage adapted to abutment iDEN's added features. Motorola has called this adapted assemblage 'Mobis'citation needed.

Each abject website requires absolute timing and area advice to accord abstracts beyond the network. To access and advance this advice anniversary EBTS uses GPS satellites to accept a absolute timing referencecitation needed.