FCC ID: 2AAGEHLK-7628N WiFi module

Chengdu Vantron Technology Co., Ltd. December 19, 2022 Federal Communications Commission Equipment Authorization Division 7435 Oakland Mills Road Columbia, MD 21046 USA Attn: OET Dept. Ref: FCC Class II Permissive change for FCC ID:2AAGEHLK-7628N Applicant: Chengdu Vantron Technology Co., Ltd. Dear Examiner, This is to request a Class II Permissive change for FCC ID:2AAGEHLK-7628N originally granted on 12/01/2022 (date). The change under this application is to We the undersigned hereby confirm that any of our production units bearing the following model numbers are identical in circuitry and electrical, mechanical and physical construction; the only differencesis the Antenna gainOriginal Antenna gain2dBiNew Antenna gain3dBi). I attest that the certified device will not be capable of ad-hoc mode operation outside of the grant conditions. Sincerely, Name: Xi Wang Date: 12/15/2022 Title:VP Signature of applicant FCC Class II PC request letter Rev1.1

Declaration on model difference To whom it may concern, We the undersigned hereby confirm that any of our production units bearing the following model numbers are identical in circuitry and electrical, mechanical and physical construction; the only differencesis the Antenna gainOriginal Antenna gain2dBiNew Antenna gain3dBi). Authorized Signature:

Date: 2022-12-12 Chengdu Vantron Technology Co., Ltd Address : No.5 GaoPeng Road, Hi-Tech Zone, Chengdu, SiChuan, P.R. China

we yeyJew eu} u| eHeyUeApe J!ejuN U dA OIL Buem |X owen mM d IZ -ainyeuBis K[QJBOUIS panss! Ss} uoVeZzoyyne juauidinbs yo yues6 Sy} SOUS MEIASI oljand Jo} ajqeiiene 2q ||! UOEWUOJU! S14} PUB S}UBWINDOP jelUapyUod Se payues6 aq youued $S9001d MAIASl UOIJEDIJIHSD OU} Bulinp eouepuodsaoo pue yo |eqe| GI D4 suodal se} JueWaINseew || JEU} Buipueyssapun Jno SI 3]

Lod oz69zZ adm 0} uensind sKep 0g! 404 [x]

YO GOLL-vO WO S9K0N SGNd OF juensund shep Gr 4104 L]

jenuew; sesn [xX]

sojoud eusejul [xX]

s0}0ud Anjes 31seL [X]

sojoud jeuieyx [Xx]

(s)juauyoeye Huimol|o} 24} JO AyyeuepyuoD W481 HOUS ysenbel am sed|Aep peziioujyne Aimau Jo Buyjexsew jenjoe a4} [UN jeljUaPYUOD SUJEWUAI UOHEUWIOSU| aniyisues SSeuIsnq yeu) Buunsue alum yOZL'ZS YAO Zp SLL Ul soln uoeyodu au) pue 09'Z YAO ZP SHI Ut suojeinBes Burjexsew Ou} YM A\dwo9 0} Japso ul s}usWINSOp peuoluew aroge 0} |EUO!IPPe ul ainpecdid dn-eun) x]

uol}dI9Seq jeuoiesedo [Xx]

wei6eig 490\g [XX]

wes6eig o1eweyos xX]

2 sloyyedwios anlb pjnom pue Kuedwioo uno 0} jnjwuey eq yybIW qnd ay, yuewudinbe 24} 40 uoijesedo Ul UONJEWJOJU! Kueyaudoid g]UaNDOP BSE} JO aINSO|OSIP II sep juawdinbe pue wajsAs peljejep Ule}U0o s]UaWNoOp 8seUL se polepisuod ele pue SUO!}dio Kyawuyapu! esnsojosip o1jqnd Woy sjUsUINSOP jeljuapyUod se (s)}UeWUYyoeye BuIMo||O} BY} P[OUYP!M 0} UOISS|LULUOD OU}

J S,UOISSILUWOD OU} JO SUOISIAOId a4} 0} JUeNSINd aM 6Sr 0 pue 1Sy'0 suoioes Zp SL sein uieouoD Aeyy }] WOU OL N8Z9Z-MIHAOVVZ :Cl 904 Ayyenuapyuoy Jo} ysenbey yoalqns ZZ0Z VT JOQUISAON 9}eq VSN 9v0LZ AW eIqQuiniod peoy silIW pueneo Sev UOISSIUILUOD SUOHENUNWWOD |e1epes ABojouyoe | Bueeulbuz jo 80440 py] 0D ABojouyse| UoJUe/ npbueyD