# Hyper Nexus (超级联接) > Hyper Nexus (北京超级联接科技有限公司, Beijing, China) makes industrial cellular connectivity terminals for drones, robots, medical devices, industrial AR and other connected equipment. More than 1.4 million units shipped; deployed in 60+ countries and regions; 24/7 technical support. Website in 12 languages. ## Products - [F40 5G RedCap terminal](https://www.aiotrf.com/en/products/f40/): 5G RedCap (3GPP Release 17) with automatic 4G fallback where there is no 5G SA network; Wi-Fi 6 hotspot (up to 16 devices) or direct USB modem mode; USB-A + USB-C; 34 g. - [MF833V global LTE USB modem](https://www.aiotrf.com/en/products/mf833v/): LTE Cat.4, peak 150 Mbps down / 50 Mbps up; Qualcomm MDM9X07; LTE FDD B1/2/3/4/5/7/8/12/17/20, UMTS B1/2/4/5/8, quad-band GSM; internal main + diversity antennas; driver-free on Windows (on Linux, integration and debugging are done by the customer); FOTA; 36 certification and compliance items across 30 markets (September 2024), including CE, RoHS, FCC (FCC ID SRQ-MF833V), PTCRB, IC, KC (R-CRM-ZTE-MF833V), TELEC, JATE, ACMA, ANATEL, IFETEL, NCC, IMDA, CITC, TEC, SRRC and CCC; more than 1.4 million units deployed in 60+ countries and regions over 10 years; 93.8 × 28.6 × 13.5 mm; operating temperature −10 to 60 °C. - [Dongle 400 for industrial AR glasses](https://www.aiotrf.com/en/products/dongle-400/): miniature cellular data terminal; IP66; 63 mm long; Type-C to the glasses; clips onto the headset; global bands and certifications. ## Country guides (will it work on my networks?) - [Does the MF833V work in the UK? 4G bands for EE, O2, Three and Vodafone](https://www.aiotrf.com/en/works-in/uk/mf833v/): Yes. The MF833V LTE Cat 4 USB modem supports the core 4G bands of all four UK networks (B20, B3, B1, B7, B8) and is CE certified. Band table and FAQ, updated September 2026. - [Does the MF833V work in the USA? AT&T, T-Mobile and Verizon 4G bands](https://www.aiotrf.com/en/works-in/us/mf833v/): On AT&T, yes — the best fit (B2, B4, B5, B12, B17). On T-Mobile it works with weaker rural coverage; not recommended for Verizon (no B13). FCC and PTCRB certified. Updated September 2026. - [Does the MF833V work in South Korea? SK Telecom, KT and LG U+ LTE bands](https://www.aiotrf.com/en/works-in/kr/mf833v/): Yes. The MF833V supports every LTE band used by SK Telecom (B1, B3, B5, B7), KT (B1, B3, B8) and LG U+ (B1, B5, B7), and it is KC certified. Updated September 2026. - [MF833V, 한국에서 사용할 수 있나요? SK텔레콤·KT·LG유플러스 LTE 밴드](https://www.aiotrf.com/ko/works-in/kr/mf833v/): 네. MF833V는 SK텔레콤(B1·B3·B5·B7), KT(B1·B3·B8), LG유플러스(B1·B5·B7)의 LTE 밴드를 모두 지원하며 KC 인증을 받았습니다. 2026년 9월 업데이트. - [Where our terminals work — country guides for LTE bands and certification](https://www.aiotrf.com/en/works-in/): Country-by-country guides: which 4G bands each network uses, whether our MF833V supports them, and which certifications it holds. UK, USA and South Korea. - [Does the Dongle 400 work in the UK? 4G bands for EE, O2, Three and Vodafone](https://www.aiotrf.com/en/works-in/uk/dongle400/): Yes. The Dongle 400 LTE Cat 4 terminal for industrial AR glasses supports the core 4G bands of all four UK networks (B20, B3, B1, B7, B8) and is CE certified. Band table and FAQ, updated September 2026. - [Does the Dongle 400 work in the USA? AT&T, T-Mobile and Verizon 4G bands](https://www.aiotrf.com/en/works-in/us/dongle400/): On AT&T, yes — the best fit (B2, B4, B5, B12, B17). On T-Mobile it works with weaker rural coverage; not recommended for Verizon (no B13). FCC and PTCRB certified. Updated September 2026. - [Does the Dongle 400 work in South Korea? SK Telecom, KT and LG U+ LTE bands](https://www.aiotrf.com/en/works-in/kr/dongle400/): Yes. The Dongle 400 supports every LTE band used by SK Telecom (B1, B3, B5, B7), KT (B1, B3, B8) and LG U+ (B1, B5, B7), and it is KC certified. Updated September 2026. - [Dongle 400, 한국에서 사용할 수 있나요? SK텔레콤·KT·LG유플러스 LTE 밴드](https://www.aiotrf.com/ko/works-in/kr/dongle400/): 네. Dongle 400은 SK텔레콤·KT·LG유플러스의 LTE 밴드를 모두 지원하며 KC 인증을 받았습니다. 산업용 AR 글라스 전용 IP66 단말. 2026년 9월 업데이트. - [Does the F40 work in China? 5G RedCap on China Mobile, China Telecom, China Unicom and China Broadnet](https://www.aiotrf.com/en/works-in/cn/f40/): Yes. The F40 5G RedCap terminal supports the main 5G bands of all four Chinese operators (n41, n28, n78, n1), RedCap is live on China Mobile, China Telecom and China Unicom, and the F40 is certified for China. Updated September 2026. - [F40 在中国能用吗?中国移动、中国电信、中国联通、中国广电 5G RedCap](https://www.aiotrf.com/works-in/cn/f40/): 能用。F40 支持国内四家运营商的主力 5G 频段 n41、n28、n78、n1,中国移动、中国电信、中国联通均已商用 RedCap,F40 已取得国内认证。2026 年 9 月更新。 ## Technical documents - [MF833V quick start guide and technical notes (PDF, in English, Spanish, Korean and Japanese)](https://www.aiotrf.com/downloads/MF833V-Quick-Start-Guide.pdf): Windows driver-free; on Linux, integration and debugging are done by the customer; indicator lights, APN setup, FCC/SAR and EU compliance. ## Buying - Customisation per project: bands, certifications, housing, firmware, EAN codes, quick-start guides and warranty cards; R&D-level technical support. - Quotes: [order form](https://www.aiotrf.com/en/#order), +86 139 1090 0682, wangf@aiotrf.com - Address: 6F Huizhong Building, No. 1 Shangdi 7th Street, Haidian District, Beijing, China ## Media - [MF833V in 30 seconds (English film)](https://www.aiotrf.com/media/mf833v-film-en.mp4) - [Frequently asked questions](https://www.aiotrf.com/en/#faq) ## 中文 - [超级联接官网](https://www.aiotrf.com/):F40 5G RedCap 行业终端、MF833V 全球通版 LTE 数据卡、Dongle 400 工业 AR 联接终端;全球累计出货 140 万部以上,部署于 60 多个国家和地区。 - [常见问题](https://www.aiotrf.com/#faq) · [MF833V 30 秒短片](https://www.aiotrf.com/media/mf833v-film-zh.mp4) ## SI New World - [SI New World (Hyper Nexus)](https://www.aiotrf.com/ai/): evidence-graded explorations of real-world questions, researched with AI (published in Chinese). - [Topic 01 · Running science: a run's chemical timetable](https://www.aiotrf.com/ai/running-science/): how 13 hormones and signalling molecules rise and fall during and after a run, with evidence grades A/B/C, lab-test guidance for runners and a browser-side personal report from your own run data. - [Topic 01 in English · A run's chemical timetable](https://www.aiotrf.com/en/ai/running-science/): English version, translated with AI from the Chinese original. ## 全球频段通 · Band Atlas - [全球频段通(中文)](https://www.aiotrf.com/ai/band-atlas/):46 个国家、155 张网络逐网核实 4G/5G 频段、5G SA 与 RedCap、Cat-M1 与 NB-IoT、2G/3G 退网;粘贴模组频段即得文字结论、地图、关键缺口与频段对照表。每个数据点注明来源、日期与证据等级(A/B/C)。 - [Band Atlas (English)](https://www.aiotrf.com/en/ai/band-atlas/): LTE and 5G bands for 155 networks in 46 countries, checked network by network, with 5G SA and RedCap, Cat-M1 and NB-IoT, and 2G/3G sunsets; paste a module’s bands for a written verdict, a map, the key gaps and a band-by-band table. Every data point has a source, date and evidence grade. - 常用模组 / Popular modules: Quectel EG25-G (Cat 4), SIMCom SIM7600G-H (Cat 4), Quectel BG95-M3 (LTE-M / NB-IoT), Quectel EG915U-EU (Cat 1 bis), u-blox SARA-R510M8S (LTE-M / NB-IoT), Nordic nRF9160 (LTE-M / NB-IoT), Quectel EC25-E (Cat 4), Quectel EC200U-EU (Cat 1 bis), SIMCom A7670E (Cat 1), SIMCom SIM7080G (LTE-M / NB-IoT), Quectel BG96 (LTE-M / NB-IoT), Quectel EG21-G (Cat 1), u-blox LARA-R6001D (Cat 1), Telit ME910C1-WW (LTE-M / NB-IoT), Quectel RG255C-GL (5G RedCap), Teltonika TRB140 (0*****) (DTU / Gateway · Cat 4), Teltonika TRB140 (1*****) (DTU / Gateway · Cat 4), Teltonika RUTX12 (0*****) (Industrial router · Cat 6), Teltonika RUTX12 (1*****) (Industrial router · Cat 6), Teltonika FMC130-ME3 (Vehicle tracker · Cat 1), Teltonika FMC130-MCIB0 (Vehicle tracker · Cat 1), Quectel EC25-AF (Cat 4), Quectel EC25-EUX (Cat 4), Quectel EC25-MX (Cat 4), Quectel EC25-AU (Cat 4), Huawei E3372h-320 (Dongle · Cat 4), USR IOT USR-G771-E (DTU · Cat 1), USR IOT USR-DR154-E (DTU · Cat 1) — bands from each maker’s specification, a verdict on every network; any other module can be checked by pasting its bands. 全球频段通是免费的公共查询工具 / Band Atlas is a free public tool. - [网络脉搏 · 全球物联网数据看板 / Network Pulse](https://www.aiotrf.com/ai/band-atlas/pulse/)([English](https://www.aiotrf.com/en/ai/band-atlas/pulse/)) - [入网认证速查 / Certification guide](https://www.aiotrf.com/ai/band-atlas/certification/)([English](https://www.aiotrf.com/en/ai/band-atlas/certification/)) - [欧洲 2G 退网替换方案 / Replacing 2G in Europe](https://www.aiotrf.com/ai/band-atlas/eu-2g/)([English](https://www.aiotrf.com/en/ai/band-atlas/eu-2g/)) - 型号 / Models: [每个型号在每个国家 · every model in every country](https://www.aiotrf.com/ai/band-atlas/models/) - 专题 / Topics: [5G RedCap](https://www.aiotrf.com/ai/band-atlas/redcap/) · [Cat-M1 与 NB-IoT](https://www.aiotrf.com/ai/band-atlas/lpwa/) · [Cat.1 选型](https://www.aiotrf.com/ai/band-atlas/cat1/) · [退网日历 / Sunsets](https://www.aiotrf.com/ai/band-atlas/sunset/) · [3GPP 频段 / Bands](https://www.aiotrf.com/ai/band-atlas/bands/) - 国家 / Countries: [英国](https://www.aiotrf.com/ai/band-atlas/uk/) · [美国](https://www.aiotrf.com/ai/band-atlas/us/) · [韩国](https://www.aiotrf.com/ai/band-atlas/kr/) · [中国](https://www.aiotrf.com/ai/band-atlas/cn/) · [日本](https://www.aiotrf.com/ai/band-atlas/jp/) · [德国](https://www.aiotrf.com/ai/band-atlas/de/) · [法国](https://www.aiotrf.com/ai/band-atlas/fr/) · [阿联酋](https://www.aiotrf.com/ai/band-atlas/ae/) · [沙特阿拉伯](https://www.aiotrf.com/ai/band-atlas/sa/) · [卡塔尔](https://www.aiotrf.com/ai/band-atlas/qa/) · [科威特](https://www.aiotrf.com/ai/band-atlas/kw/) · [以色列](https://www.aiotrf.com/ai/band-atlas/il/) · [加拿大](https://www.aiotrf.com/ai/band-atlas/ca/) · [墨西哥](https://www.aiotrf.com/ai/band-atlas/mx/) · [巴西](https://www.aiotrf.com/ai/band-atlas/br/) · [西班牙](https://www.aiotrf.com/ai/band-atlas/es/) · [意大利](https://www.aiotrf.com/ai/band-atlas/it/) · [荷兰](https://www.aiotrf.com/ai/band-atlas/nl/) · [波兰](https://www.aiotrf.com/ai/band-atlas/pl/) · [土耳其](https://www.aiotrf.com/ai/band-atlas/tr/) · [印度](https://www.aiotrf.com/ai/band-atlas/in/) · [新加坡](https://www.aiotrf.com/ai/band-atlas/sg/) · [印度尼西亚](https://www.aiotrf.com/ai/band-atlas/id/) · [澳大利亚](https://www.aiotrf.com/ai/band-atlas/au/) · [新西兰](https://www.aiotrf.com/ai/band-atlas/nz/) · [越南](https://www.aiotrf.com/ai/band-atlas/vn/) · [泰国](https://www.aiotrf.com/ai/band-atlas/th/) · [马来西亚](https://www.aiotrf.com/ai/band-atlas/my/) · [菲律宾](https://www.aiotrf.com/ai/band-atlas/ph/) · [哥伦比亚](https://www.aiotrf.com/ai/band-atlas/co/) · [秘鲁](https://www.aiotrf.com/ai/band-atlas/pe/) · [智利](https://www.aiotrf.com/ai/band-atlas/cl/) · [阿根廷](https://www.aiotrf.com/ai/band-atlas/ar/) · [南非](https://www.aiotrf.com/ai/band-atlas/za/) · [阿曼](https://www.aiotrf.com/ai/band-atlas/om/) · [巴林](https://www.aiotrf.com/ai/band-atlas/bh/) · [中国香港](https://www.aiotrf.com/ai/band-atlas/hk/) · [中国台湾](https://www.aiotrf.com/ai/band-atlas/tw/) · [爱尔兰](https://www.aiotrf.com/ai/band-atlas/ie/) · [比利时](https://www.aiotrf.com/ai/band-atlas/be/) · [瑞士](https://www.aiotrf.com/ai/band-atlas/ch/) · [奥地利](https://www.aiotrf.com/ai/band-atlas/at/) · [葡萄牙](https://www.aiotrf.com/ai/band-atlas/pt/) · [瑞典](https://www.aiotrf.com/ai/band-atlas/se/) · [丹麦](https://www.aiotrf.com/ai/band-atlas/dk/) · [挪威](https://www.aiotrf.com/ai/band-atlas/no/) · [United Kingdom](https://www.aiotrf.com/en/ai/band-atlas/uk/) · [United States](https://www.aiotrf.com/en/ai/band-atlas/us/) · [South Korea](https://www.aiotrf.com/en/ai/band-atlas/kr/) · [China](https://www.aiotrf.com/en/ai/band-atlas/cn/) · [Japan](https://www.aiotrf.com/en/ai/band-atlas/jp/) · [Germany](https://www.aiotrf.com/en/ai/band-atlas/de/) · [France](https://www.aiotrf.com/en/ai/band-atlas/fr/) · [United Arab Emirates](https://www.aiotrf.com/en/ai/band-atlas/ae/) · [Saudi Arabia](https://www.aiotrf.com/en/ai/band-atlas/sa/) · [Qatar](https://www.aiotrf.com/en/ai/band-atlas/qa/) · [Kuwait](https://www.aiotrf.com/en/ai/band-atlas/kw/) · [Israel](https://www.aiotrf.com/en/ai/band-atlas/il/) · [Canada](https://www.aiotrf.com/en/ai/band-atlas/ca/) · [Mexico](https://www.aiotrf.com/en/ai/band-atlas/mx/) · [Brazil](https://www.aiotrf.com/en/ai/band-atlas/br/) · [Spain](https://www.aiotrf.com/en/ai/band-atlas/es/) · [Italy](https://www.aiotrf.com/en/ai/band-atlas/it/) · [Netherlands](https://www.aiotrf.com/en/ai/band-atlas/nl/) · [Poland](https://www.aiotrf.com/en/ai/band-atlas/pl/) · [Turkey](https://www.aiotrf.com/en/ai/band-atlas/tr/) · [India](https://www.aiotrf.com/en/ai/band-atlas/in/) · [Singapore](https://www.aiotrf.com/en/ai/band-atlas/sg/) · [Indonesia](https://www.aiotrf.com/en/ai/band-atlas/id/) · [Australia](https://www.aiotrf.com/en/ai/band-atlas/au/) · [New Zealand](https://www.aiotrf.com/en/ai/band-atlas/nz/) · [Vietnam](https://www.aiotrf.com/en/ai/band-atlas/vn/) · [Thailand](https://www.aiotrf.com/en/ai/band-atlas/th/) · [Malaysia](https://www.aiotrf.com/en/ai/band-atlas/my/) · [Philippines](https://www.aiotrf.com/en/ai/band-atlas/ph/) · [Colombia](https://www.aiotrf.com/en/ai/band-atlas/co/) · [Peru](https://www.aiotrf.com/en/ai/band-atlas/pe/) · [Chile](https://www.aiotrf.com/en/ai/band-atlas/cl/) · [Argentina](https://www.aiotrf.com/en/ai/band-atlas/ar/) · [South Africa](https://www.aiotrf.com/en/ai/band-atlas/za/) · [Oman](https://www.aiotrf.com/en/ai/band-atlas/om/) · [Bahrain](https://www.aiotrf.com/en/ai/band-atlas/bh/) · [Hong Kong, China](https://www.aiotrf.com/en/ai/band-atlas/hk/) · [Taiwan, China](https://www.aiotrf.com/en/ai/band-atlas/tw/) · [Ireland](https://www.aiotrf.com/en/ai/band-atlas/ie/) · [Belgium](https://www.aiotrf.com/en/ai/band-atlas/be/) · [Switzerland](https://www.aiotrf.com/en/ai/band-atlas/ch/) · [Austria](https://www.aiotrf.com/en/ai/band-atlas/at/) · [Portugal](https://www.aiotrf.com/en/ai/band-atlas/pt/) · [Sweden](https://www.aiotrf.com/en/ai/band-atlas/se/) · [Denmark](https://www.aiotrf.com/en/ai/band-atlas/dk/) · [Norway](https://www.aiotrf.com/en/ai/band-atlas/no/) ## Band Atlas API (for programs and AI assistants) - Free static JSON, no key, cross-origin enabled, CC BY 4.0 (credit Hyper Nexus · Band Atlas). - OpenAPI 3.1: https://www.aiotrf.com/ai/band-atlas/api/openapi.json - Index of countries and devices: https://www.aiotrf.com/ai/band-atlas/api/v1/index.json - A country's networks, bands (with confidence and sources) and 2G/3G, SA, RedCap, LTE-M, NB-IoT status: https://www.aiotrf.com/ai/band-atlas/api/v1/countries/{cc}.json - Will a device work in a country, network by network, with the bands it lacks: https://www.aiotrf.com/ai/band-atlas/api/v1/check/{model}/{cc}.json - Change feed (Atom): https://www.aiotrf.com/en/ai/band-atlas/changes.xml · Open data on GitHub: https://github.com/365724-ctrl/band-atlas-data - MCP server for AI assistants (Model Context Protocol, Streamable HTTP, free, no key): https://www.aiotrf.com/mcp — tools: list_coverage, get_country_networks, check_device, check_bands (any band list), find_devices ## Band Atlas API (for programs and AI assistants) - Free static JSON, no key, cross-origin enabled, CC BY 4.0 (credit Hyper Nexus · Band Atlas). - OpenAPI 3.1: https://www.aiotrf.com/ai/band-atlas/api/openapi.json - Index of countries and devices: https://www.aiotrf.com/ai/band-atlas/api/v1/index.json - A country's networks, bands (with confidence and sources) and 2G/3G, SA, RedCap, LTE-M, NB-IoT status: https://www.aiotrf.com/ai/band-atlas/api/v1/countries/{cc}.json - Will a device work in a country, network by network, with the bands it lacks: https://www.aiotrf.com/ai/band-atlas/api/v1/check/{model}/{cc}.json - Change feed (Atom): https://www.aiotrf.com/en/ai/band-atlas/changes.xml · Open data on GitHub: https://github.com/365724-ctrl/band-atlas-data ## Band Atlas API (for programs and AI assistants) - Free static JSON, no key, cross-origin enabled, CC BY 4.0 (credit Hyper Nexus · Band Atlas). - OpenAPI 3.1: https://www.aiotrf.com/ai/band-atlas/api/openapi.json - Index of countries and devices: https://www.aiotrf.com/ai/band-atlas/api/v1/index.json - A country's networks, bands (with confidence and sources) and 2G/3G, SA, RedCap, LTE-M, NB-IoT status: https://www.aiotrf.com/ai/band-atlas/api/v1/countries/{cc}.json - Will a device work in a country, network by network, with the bands it lacks: https://www.aiotrf.com/ai/band-atlas/api/v1/check/{model}/{cc}.json - Change feed (Atom): https://www.aiotrf.com/en/ai/band-atlas/changes.xml · Open data on GitHub: https://github.com/365724-ctrl/band-atlas-data ## Band Atlas API (for programs and AI assistants) - Free static JSON, no key, cross-origin enabled, CC BY 4.0 (credit Hyper Nexus · Band Atlas). - OpenAPI 3.1: https://www.aiotrf.com/ai/band-atlas/api/openapi.json - Index of countries and devices: https://www.aiotrf.com/ai/band-atlas/api/v1/index.json - A country's networks, bands (with confidence and sources) and 2G/3G, SA, RedCap, LTE-M, NB-IoT status: https://www.aiotrf.com/ai/band-atlas/api/v1/countries/{cc}.json - Will a device work in a country, network by network, with the bands it lacks: https://www.aiotrf.com/ai/band-atlas/api/v1/check/{model}/{cc}.json - Change feed (Atom): https://www.aiotrf.com/en/ai/band-atlas/changes.xml · Open data on GitHub: https://github.com/365724-ctrl/band-atlas-data ## Band Atlas API (for programs and AI assistants) - Free static JSON, no key, cross-origin enabled, CC BY 4.0 (credit Hyper Nexus · Band Atlas). - OpenAPI 3.1: https://www.aiotrf.com/ai/band-atlas/api/openapi.json - Index of countries and devices: https://www.aiotrf.com/ai/band-atlas/api/v1/index.json - A country's networks, bands (with confidence and sources) and 2G/3G, SA, RedCap, LTE-M, NB-IoT status: https://www.aiotrf.com/ai/band-atlas/api/v1/countries/{cc}.json - Will a device work in a country, network by network, with the bands it lacks: https://www.aiotrf.com/ai/band-atlas/api/v1/check/{model}/{cc}.json - Change feed (Atom): https://www.aiotrf.com/en/ai/band-atlas/changes.xml · Open data on GitHub: https://github.com/365724-ctrl/band-atlas-data ## 客户案例 · Customer cases - [Abbott 心脏起搏器的高可靠远程数据传输](https://www.aiotrf.com/cases/abbott/):患者体内的起搏器、ICD 每天经射频遥测与家中的 Merlin@home 网关通信,插在网关上的 MF833V 经 4G 基站回传到 Merlin.net;自 2017 年起部署 130 多万部,覆盖 60 多个国家和地区,上报故障率不到万分之一。 - [KEMARO 工业清洁机器人的全天候远程管理](https://www.aiotrf.com/cases/kemaro/):瑞士 KEMARO 的 K900 自主清洁机器人开机即经 MF833V 走 4G 连上云端,远程排程、报告与服务;KEMARO 已向 600 多家工业客户售出 1,500 多台机器人。 ### 产品要点 · Key product facts - MF833V:LTE Cat.4 USB 数据终端(USB-A),全球通用频段 B1/2/3/4/5/7/8/12/17/20,30 个市场入网认证(含 FCC、PTCRB、CE、KC、日本技适);支持 IPv6、FOTA 远程升级;不支持语音、短信;工作温度 −20 至 +55 °C;十年累计出货 140 万部以上;参考起价 US$45(按具体规格确认报价),起订量 100 部。 - Dongle 400:面向工业 AR 眼镜的 LTE Cat.4 数据终端,USB-C、IP66 防尘防水,频段与 MF833V 相同,35 个市场入网认证;参考起价 US$45,起订量 2,000 部。 - F40:5G RedCap 终端,n1/3/5/8/28/41/78,无 SA 时回落 4G;Wi-Fi 6 热点最多连接 16 台设备或 USB 调制解调器;目前取得中国认证,其他市场随出货办理;行业应用版参考起价 US$46,起订量 2,000 部。 - 语言版本 · Languages:中文 https://www.aiotrf.com/ · English /en/ · Español /es/ · Français /fr/ · 日本語 /ja/ · 한국어 /ko/ - 联系 · Contact:wangf@aiotrf.com · +86 139 1090 0682(微信)