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A typical SIM card (mini-SIM with micro-SIM cutout) A SIM card or SIM (Subscriber Identity Module) is an integrated circuit (IC) intended to securely store an international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephone devices (such as mobile phones and laptops).
WhatsApp (officially WhatsApp Messenger) is an American instant messaging (IM) and voice-over-IP (VoIP) service owned by technology conglomerate Meta. [13] It allows users to send text, voice messages and video messages, [14] make voice and video calls, and share images, documents, user locations, and other content.
WhatsApp will now let you record and send video clips directly in the messaging app, the Meta-owned platform announced this week. The instant video messages can be up to 60 seconds long, and are ...
SIM card: Some electronics, e.g. amplifiers Good coverage indoors on 850/900 MHz. Repeaters possible. 35 km hard limit. Very low density Hard Yes GPRS Class A 2G: CDMA: IS-95 (CDMA one) Digital: 1995 Limited None None Unlimited cell size, low transmitter power permits large cells Very low density Soft No 3G: CDMA: IS-2000 (CDMA 2000) Digital ...
WhatsApp is working on a setting that will let users more easily bypass its iffy image compression and send photos and videos in the highest available fidelity. The "best quality" option will ...
WhatsApp is an American freeware, cross-platform messaging and Voice over IP (VoIP) service owned by Facebook, Inc. [187] It allows users to send text messages and voice messages, [188] make voice and video calls, and share images, documents, user locations, and other media.
Although the standard does not specify a maximum size for a message, 300 kB and 600 kB are the recommended sizes used by networks [11] for compatibility with MMS 1.2 and MMS 1.3 devices respectively. The limit for the first generation of MMS was 50 kB. [8]
Since putting into place this new limit, globally there has been a 70% reduction in the number of highly forwarded messages sent on WhatsApp,” a WhatsApp spokesperson told TechCrunch in a statement.