Hukumar Sadarwa ta Tarayya (FCC) a Amurka tana buƙatar cewa daga ranar 5 ga Disamba, 2023, duk na'urorin tasha na hannu dole ne su cika buƙatun ma'aunin ANSI C63.19-2019 (watau ƙa'idar HAC 2019). Idan aka kwatanta da tsohuwar sigar ANSI C63.19-2011 (HAC 2011), babban bambanci tsakanin su biyun ya ta'allaka ne da ƙarin buƙatun gwajin sarrafa ƙara a cikin daidaitaccen HAC 2019. Abubuwan gwajin sun haɗa da murdiya, amsa mita, da ribar zaman. Abubuwan da suka dace da hanyoyin gwaji suna buƙatar komawa zuwa daidaitattun ANSI/TIA-5050-2018.
FCC ta Amurka ta ba da 285076 D05 HAC Waiver DA 23-914 v01 ƙa'idar keɓancewa a kan Satumba 29, 2023, tare da keɓancewar shekaru 2 daga ranar 5 ga Disamba, 2023. Ana buƙatar sabbin takaddun takaddun shaida dole ne su bi ka'idodin 285076 D04 Volume Control v02 ko a haɗe tare da takaddun tsarin keɓantawa na ɗan lokaci KDB285076 D05 HAC Waiver DA 23-914 v01 ƙarƙashin 285076 D04 Ikon Ƙara v02. Wannan keɓancewar yana ba da damar na'urorin tasha masu hannu waɗanda ke shiga cikin takaddun shaida don rage wasu buƙatun gwaji daidai da hanyoyin gwajin ANSI/TIA-5050-2018 don wucewa gwajin Sarrafa ƙara.
Don gwajin Sarrafa ƙara, ƙayyadaddun buƙatun keɓe sune kamar haka:
(1) Don gwada ƙunƙun bakin ciki da buɗaɗɗen coding na sabis ɗin tarho na cibiyar sadarwar mara waya (kamar AMR NB, AMR WB, EVS NB, EVS WB, VoWiFi, da sauransu), buƙatun sune kamar haka:
1) Ƙarƙashin matsin lamba na 2N, mai nema ya zaɓi ƙididdige ƙididdige ƙididdiga da ƙimar rufaffiyar faɗaɗa. A wani ƙayyadaddun ƙara, don duk sabis na murya, ayyukan band, da saitunan tashar tashar jiragen ruwa, ribar zaman dole ne ya zama ≥ 6dB, kuma murdiya da amsawar mitar dole ne su dace da daidaitattun buƙatun.
2) A ƙarƙashin matsin lamba na 8N, mai nema ya zaɓi ƙima mai ƙima da ƙima mai ƙima, kuma ga duk sabis na murya, ayyukan band, da saitunan tashar jiragen ruwa a wannan ƙarar, ƙimar zaman dole ne ≥ 6dB, maimakon daidaitattun ≥ 18dB ku. Karɓatawa da amsa mitar sun cika buƙatun ma'auni.
(2) Don sauran ƙunƙun ruɗaɗɗen raɗaɗi da faɗaɗa ba a ambata a cikin abu (1), ribar zaman ya kamata ya zama ≥ 6dB a ƙarƙashin yanayin matsin lamba na 2N da 8N, amma babu buƙatar gwada murdiya da amsa mita.
(3) Don sauran hanyoyin shigar da ba a ambata a cikin abu (1) (kamar SWB, FB, OTT, da sauransu), ba sa buƙatar biyan buƙatun ANSI/TIA-5050-2018.
Bayan Disamba 5, 2025, idan FCC ba ta ba da ƙarin takaddun ba, za a yi gwajin Sarrafa ƙarar ƙara daidai da buƙatun ANSI/TIA-5050-2018.
Lab Gwajin BTF yana da ƙarfin gwajin takaddun shaida na HAC 2019, gami da tsangwama RF Emission RF, gwajin siginar T-Coil, da buƙatun sarrafa ƙarar ƙarar.
Lokacin aikawa: Janairu-04-2024