RFID leh NFC hi eng nge an danglamna?

RAIN RFID hian Walmart inventory system a kalpui a ni. NFC hian Apple Pay an kalpui a ni. Radio technology chhungkua inang, hna hrang hrang.

 

 

Industry hian UHF RFID atan "RAIN" an hmang a, a chhan chu "UHF Gen 2 EPC RFID" tih hi sawi tur a sei lutuk vang a ni. Impinj, Google, Smartrac leh Intel te chuan kum tam tak kalta khan branding hmalakna hi an lo tichhuak tawh a, WiFi playbook aṭanga loan an la a ni. Tag pakhatin RAIN logo a keng tel hian ISO/IEC 18000-63 leh GS1 EPC Gen2 protocol a zawm a ni. EPCglobal hian Gen2 version hmasa ber chu December 2004 khan a ratified a, Version 1.2.0 hi kum 2008 khan a lo thleng a, tuna spec, Gen2v2 hi kum 2013 atanga siam a ni a, revision thar, Gen2v3 hian GS1 workgroup review chu kum 2023 tawp lam khan a paltlang a, kum 2024 tir lam khan ratified a nih beisei a ni a, Impinj atanga Megan Brewster chuan he development hi a co-chaired a ni committee a ni.

 

NFC hi 13.56 megahertz-ah a thu a ni. High-frequency RFID hian band khat a luah a. A danglamna: NFC hian peer-to-peer theihna a belhchhah. Active device pahnih hian data an inthlak leh thei. Standard RFID chu reader-talks-first-tag hian zawhna zawh hunah chauh a chhang thin.

 

Sony leh Philips Semiconductors te hian March 2002 khan technical specification hi an siam a, NFC Forum hi March 2004 khan din a ni a, Nokia chu founding member pathumna a ni. Philips hian kum 2006 khan semiconductor division chu NXP tiin a spun off a, sumdawnna atana hman tur NFC phone hmasa ber, Nokia 6131 chu chu kum vek chuan an rawn thawn chhuak a ni. Android hian kum 2010 khan Nexus S hmangin a pickup a, Apple hian September 2014 khan iPhone 6 thlengin a hold off a ni.

 

Range hian thil chi hrang hrang atan a tangkai hle. RAIN tag hi metre hla atanga chhiar theih a ni. Chhiartute chuan hmun pakhat chu 860 atanga 960 megahertz thlenga RF energy hmangin an tuam a; passive tag-te chuan chu chakna chu an chhân lêtna tichak tûrin an la khâwm ṭhîn. Active tag hian battery a keng a, a transmit lehzual bawk. NFC hian centimetre 4 vel-close out a maxes out a, chuvang chuan i sawi tum a ngai a ni.

 

Transfer speed hi Bluetooth nen a inel lo hle. NFC hian second khatah kilobit 424 a peak a ni. Bluetooth 2.1 hian 2.1 megabits a hit a ni. Version 5 hi a tlan chak zawk tho. Mahse NFC hian second sawma ṭhena hmun hnuai lamah a connect a, pairing sequence a awm lo. Google chuan chu awlsamna vel chu Android Beam a siam a. A hnuah feature chu an that ta a ni.

 

Walmart hian kum 2020 atang khan supplier mandate a tizau a, Apparel chu a hmasa ber a ni. Home goods, toys, electronics, sporting goods te chu kum 2022 khan a zui a, kum 2024 thleng khan merchandise category tlangpui zawk a roll in a, tunah chuan tags hi cent 4 atanga 6 ve ve a ni. Kum 2000 chho lai vel khan Walmart-in a hmaa RFID push an tum khan cent 30 vel an seng a, failure rate pawh a sang lutuk a, supplier-te chu an kal bo ta a ni.

 

Payment terminal hman dan hi zawn chhuah a harsa zawk. NFC hian background ah hna a thawk a. I tap a, a charge ta. Visa, Mastercard leh Amex te hian an contactless infrastructure hi ISO/IEC 14443 velin an siam a, hei hi proximity card standard a ni a, 13.56 megahertz layer-ah NFC nen a inzawm tlat a ni. NFC Forum-a specification-ah hian 14443 a reference a, data formatting atan NDEF ang chi application-level protocols a dah tel bawk.

 

Chhiar dan a inang lo. RFID reader antenna hian second tlemte chhungin tag za tam tak a inventory thei a-warehouse emaw stockroom emaw-a cycle chhiarna atan a tangkai hle. NFC hian transaction pakhatah a buaipui thin. Chu constraint chu checkout line-ah a inmil a, mahse distribution center pakhat chu a ti slow dawn a ni.