3g Usb Modem 21
Overview
Product sourcing insights & recommendations
The phrase "3G USB modem 21" primarily refers to legacy HSPA+ devices (e.g., Huawei E353) capable of 21.6 Mbps download speeds Goldsupplier. As of late 2026, the market for these devices has shifted from consumer mainstream to legacy industrial support and rapid replacement cycles.
Market Trends & Insights (2024–2026)
* Global Phase-Out: 3G networks are rapidly shutting down to free up spectrum for 5G WhereversimEmnify.
* Americas: Major US carriers (Verizon, AT&T) completed sunsets by 2022; Canada (Telus) and Panama (Claro) are targeting 2026 EmnifyAlibaba.
* Europe & Asia: The UK (O2) and Japan (NTT DOCOMO) are scheduled for complete 3G switch-offs by early to mid-2026 EmnifyInforma.
* Demand Shift: While consumer demand for 3G sticks has plummeted, there is a surging replacement market. Businesses are retrofitting millions of IoT devices with LTE Cat 1/Cat 4 or 5G NR hardware to avoid service gaps EmnifyAlibaba.
* 5G Dominance: By 2026, 5G NR modem shipments are projected to surpass LTE, with 42.7% of industrial wireless edge deployments integrating ruggedized modem infrastructure Strategicmarketresearch.
Product Analysis & Recommendations
The current market offers three distinct paths for sourcing:
| Technology | Top Speed | Best For | Market Status |
|---|---|---|---|
| 3G HSPA+ (21Mbps) | 21.6 Mbps | Legacy systems, emerging markets | Obsolete; strictly for niche replacement Goldsupplier. |
| 4G LTE (Cat 4) | 150 Mbps | General office, mobile broadband | The current standard; highly affordable and stable Alibaba. |
| 5G NR | 1.0+ Gbps | Future-proofing, high-bandwidth | Rapidly growing; recommended for new deployments Alibaba. |
4g Lte Usb Modem Cat 4 Replacement For 3g
Products · 3 lists
OEM Cat4 150mbps USB Modem WIFI Support ODM External Antenna 3g 4g Usb Dongles Mobile Router 4G LTE Wingle UFI USB WIFI Dongle
Shenzhen Gnetop Technology Co., Ltd.🇨🇳CN6 yrs
CAT4 Original Unlock 150Mbps Alcatel One Touch W800O USB Modem 4G WiFi Support LTE FDD B1/B2/B4/B5/B7/B17 for Alcatel
Shenzhen Tronsyn Communication Firm🇨🇳CN15 yrs
Unlocked 4G USB Modem MF79U Cat4 150Mbps Wireless External 4G Modem Router With Hotspot FDD LTE B1 B3 B5 B7 B8 B28
Hunan Jenet Communications Equipment Co., Ltd.🇨🇳CN7 yrs
4G Lte Dongle With Sim Card Slot Ethernet Adapter Network Card Wireless Usb Adapter for Pc 4g Dongle Cat 4 Modem Usb Dongle Lock
Shenzhen Bailingjia Technology Co., Ltd.🇨🇳CN14 yrs
2024 New USB 4G WiFi Wireless LTE Sim Card Modem Router with 150mbps Transmission Rate and Sim Card Slot
Shenzhen Zhibotong Electronics Co., Ltd.verified🇨🇳CN16 yrs
LDW922-E 4G 3G USB WIFI Modem FDD LTE 4G WiFi Router Wireless FDD-LTE FDD B1(2100)/B3(1800)Mhz B5(850)Mhz
Shenzhen Sibide Technology Co., Ltd.🇨🇳CN8 yrs
B1 B3 LTE Cat4 150Mbps 4G Wifi USB Dongle Modem Small Unlimited Data Network Support SIM Card
Shenzhen Kakakele Technology Limited🇨🇳CN7 yrs
CAT4 Original Unlock 150Mbps for One Touch W800O Wireless USB Modem 4G WiFi Support LTE FDD B1/B2/B4/B5/B7/B17
Reson Technology Limited🇭🇰HK1 yr
B1 B3 B5 LTE Cat4 H760 150Mbps 4G Wifi USB Dongle Modem Small Internal Wireless Network with Unlimited Data SIM Card Support
Shenzhen Danone Xintong Electronic Co., Ltd.verified🇨🇳CN7 yrs
New High Power 150Mbps Cat4 3G 4G USB Dongle 4G LTE Turbo WIFI Modem
Shenzhen Hooolink Technology Co., Limited🇨🇳CN10 yrs
NKIWI B1 B3 B5 LTE Cat4 H760 150Mbps 4G GSM WiFi USB Dongle Modem Internal Wireless Network Unlimited Data SIM Card Support
Shenzhen Xinciyuan Technology Co., Ltd.🇨🇳CN3 yrs
Unlocked 4G LTE USB WiFi Dongle Global Version 150Mbps Cat4 Modem with SIM Card Slot Plug and Play Pocket WiFi Router Hotspot
Shenzhen Yiran Media Technology Co., Ltd.🇨🇳CN3 yrs
Portable 4G LTE WiFi Dongle F95 Cat4 150Mbps USB Modem Pocket Wifi Type-c USB SIM Card for Home Backup Unlocked Wireless Dongle
Shenzhen OLAX Technology Co.,Ltdverified🇨🇳CN7 yrs
4G LTE White Small Surf Sticks USB Unlocked Dongle Network Card WiFi Modem 150Mbps
4G LTE Wireless USB Dongle 150Mbps Mobile Broadband Modem Stick 4G SIM Card Hotspot Router Pocket WIFI Network Adapter
3G/4G Wireless USB Modem E8372H-320 | 150Mbps External WiFi Adapter with SIM Port Firewall for Outdoor & Home Use
Xiamen Ouxinda Intelligent Technology Co., Ltd.🇨🇳CN3 yrs
CAT4 4G LTE Modem UFI High Speed 150mbps Wireless Network Card Global Version Usb Dongle Car Wifi Hotspot 4g Lte Wifi Modem
Shenzhen Lilian Communication Technology Co., Ltd.🇨🇳CN9 yrs
4G Cat4 150mbps DWM-222 USB Modem External Style Wireless Type Replacement for E3372h-153
Shenzhen Sincere One Technology Co, Ltd.🇨🇳CN11 yrs
Mini Portable 3g 4g Hotspot 4G Wifi USB Dongle Usb Modem
Shenzhen Qishun Technology Co., Ltd.🇨🇳CN8 yrs
China Wholesales 4G Lte SIM Card Modem 150Mbps Cat 4 Wifi Dongle Lte Wifi Usb Sim Card Slot 4g Dongle
Shenzhen Nuolan Technology Co., Ltd.🇨🇳CN3 yrs
Portable LTE Modem 4G Dongle USB Interface with Sim Card Slot GU200T-EU for Europe /Southeast Asia
Suzhou Story Network Technology Co., Ltd.🇨🇳CN7 yrs
Pocket Router With Micro Sim Card Slot Qualcomm 9X07 CPU Cat4 150Mbps Wireless Router
Shenzhen Zhibotong Electronics Co., Ltd.verified🇨🇳CN9 yrs
Customizable 150Mbps 4G LTE USB Modem Wireless SIM Dongle Portable WIFI Data Card USB Wifi
Shenzhen Four Seas Global Link Network Technology Co., Ltd.verified🇨🇳CN15 yrs
Rong CAT4 4G LTE Modem UFI High Speed 150Mbps Wireless Internal USB Dongle for Car WiFi Hotspot
Huizhou Rongxing Famous Science & Technology Co., Ltd.verified🇨🇳CN2 yrs
USB 4G LTE Cat4 Dongle A7608E-H A7608-SA Wireless Network Unlimited Data SIM Card
Shenzhen Bailingjia Technology Co., Ltd.🇨🇳CN17 yrs
EC20-CE EC25-J EC25-AF EC25EUX EC25-AUX EG25-G Quectel CAT4 Module 4G USB Dongle LTE Modem 4G LTE MODULE with SIM Card Slot
Shi Di Fen (Shenzhen) Technology Co., Ltd.🇨🇳CN7 yrs
Mini PCIE EC25-E LTE Cat4 4G Module USB Dongle Modem USB Module ICs Product
Shenzhen Shanhai Technology Ltd.🇨🇳CN13 yrs
LTE 4G Wireless USB 2.0 Modem with WiFi Hotspot Internal 12-Month Warranty in Stock for PC
Shenzhen Zhopen Electronics Co., Ltd.🇨🇳CN1 yrRelated Searches
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Sources & References
27 sources cited · Verified industry data & reports
Mobile Broadband Modem Market – 2026 Report Built by ...
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The 3G Modem market is anticipated to grow annually by 6.5% (CAGR 2026 - 2033). The 3G Modem Market is expected to grow at a CAGR of 6.5% ...
Cellular modem Market Size & Share Report, 2035
Roots Analysis
The cellular modem market size is recorded to be USD 5.23 billion in 2024 and is expected to reach USD 24.7 billion by 2035, at a CAGR of 15.15%.
Modem Market Analysis 2026
Cognitive Market Research and Consulting
The global market size for Modem in 2024 is USD 6142.5 million. The global Modem market is expected to grow with a CAGR of 17.20% over the projected period.
How to Replace HiLink 3G USB Modems Before 2026 ...
Alibaba.com
The global USB modem market size was valued at USD 3.5 billion in 2025. The market is projected to grow from USD 3.8 billion in 2026 to USD 6.2 ...