A micro SIM-card is inserted into an Apple iphone 4 smartphone.

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A SIM-card is inserted into an Apple iphone 4 smartphone. The SIM ("Subscriber Identity Module") card holds security keys to identify and authenticate mobile telephony data.

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Size: 3855px × 4912px
Location: Switzerland
Photo credit: © EThamPhoto / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 4, apple, authentication, card, chip, close-, communication, data, device, digital, electronics, encryption, gsm, holder, identity, inserted, inserting, iphone, macro, media, micro, microchip, microprocessor, mobile, network, opened, phone, privacy, provider, security, sim, sim-card, slot, smartphone, socket, technology, telecommunication, telephone, telephony