Best 3G Modems in 2026

Simple and Secure Set-up: Plug-in the device, download the SURFboard Central App, and follow the instructions to activate the modem. Connect to a Wi-Fi router for networking.

Compatibility: The SURFboard SB8200 is compatible with major U.S. cable internet providers including Cox (Gigablast), Spectrum (Internet Gig), Xfinity (Blast!/Extreme Pro) and others. It's approved for cable internet speed plans up to 1-Gbps. Check your Internet Service Provider (ISP) website to confirm compatibility.

What's in the Box: When you purchase you will get an ARRIS SURFboard SB8200 Cable Modem, Power Supply, Quick-Start guide, and 2-year warranty card.

Ethernet Ports: Has two 1-Gigabit ethernet ports to connect to a Wi-Fi router or other wired device.

Dedicated Customer Support: Live Chat and Phone Support available 8am -1am EST.

Warranty Provided by ARRIS: Product ships with 2-Year Limited Warranty.

Fast streaming, conferencing, gaming - Applies Active Queue Management (AQM) for reduced Internet latency and better app performance, including online gaming, conferencing, and streaming.

Extreme cost savings - Owning your own modem typically saves the home $168 per year in monthly rental charges. (Savings described is for Comcast Xfinity and vary by service provider.)

Built for reliability - Motorola is a worldwide leader in technology people depend on. Comes with a 2-year warranty and free support from our team of USA technicians.

MULTI-GIG ETHERNET: 1 x 2.5Gbps Ethernet port for the fastest, true multi-gig Internet connections.

SAVE MONTHLY RENTAL FEES: Replaces your cable modem saving you up to dollar 168/yr in equipment rental fees.

MODEM TECHNOLOGY: Engineered with DOCSIS 3.1 32x8 channel bonding and OFDM(A) 2x2.

Unlocked device will accept all Micro-SIM cards. AT&T, T-Mobile: device supports all mobile bands. Verizon: device supports limited bands. May not connect in some areas. LTE Category 4: Bands 2, 4, 5, and 12. 3G UMTS: Bands 2 and 5

System requirements-Compatible 2G/3G/4G LTE Mobile Service (3FF Micro-SIM). Microsoft Windows 7, 8, 8.1, 10, Vista, XP, Mac OS (10.6.8. and newer) and other operating systems running a TCP/IP network (for accessing Web Management User Interface). Compatible browsers such as Microsoft Internet Explorer 5.0, Firefox 2.0, Safari 1.4, or Google Chrome 11.0 browsers or higher (for accessing Web Management User Interface)

4G LTE 800/900/1800/2100/2600 MHz; 3G UMTS 900/2100 MHz

Two CRC-9 connectors available to connect optional 4G/3G antennas for better signal reception

Use as a primary or backup internet connection. Automatically switches to LTE for always-on WiFi

Automatic failover support keeps you connected when working from home even if your cable internet is down

Connect to any WiFi router or system for a boost in range and speed 

Includes 1-year NETGEAR support

ELIMINATE MONTHLY CABLE MODEM RENTAL FEES - Up to $120 per year. Compatible with Xfinity from Comcast, Spectrum, Cox, CableONE & more

Not compatible with: Verizon, AT&T, or CenturyLink. Not compatible with bundled voice services. IPv6 next generation Internet addressing support

System Requirements is microsoft windows 7, 8, 10, vista, xp, 2000, mac os, or other operating systems running a tcp/ip network. Microsoft internet explorer 5.0, firefox 2.0, safari 1.4, or google chrome 11.0 browsers or higher. Check your cable Internet service provider web site for data speed tier compatibility

Support win10, Win7, Win8, Windows XP, SP3, Vista, Mac OS, Linux. GPRS class B. Modem uses Micro Sim Card. (No sim card or Services included; nano SIM needs an adapter).

Global frequency band, one single small device covering more than 100 countries and regions (30+ countries certified).

1x WAN port to connect to modem; 1x Gigabit Ethernet Ports to connect wired device or network switch

Unlocked device will accept all Micro-SIM cards; may not connect in some areasLTE Category 4: Bands 2, 4, 5, and 12; 3G UMTS: Bands 2 and 5

Battery life: Usage–Up to 5hrs - Weighs only 3 oz

Interactive OLED Display Shows Connection Status, Number Of Users Connected, and View SMS Alerts.

Unlocked device will accept all Micro-SIM cards. May not connect in some areas.

LTE Category 4: Bands 2, 4, 5, and 12. 3G UMTS: Bands 2 and 5

(4)Working Frequency: *Dual -Band WCDMA: 850/1900MHz or 900/2100MHz *Quad-band GSM/GPRS/EGPRS:850/900/1800/1900MHz

(5)Packing List:1x Modem, 1x Serial Cable,1x Power Adapter,1x Antenna

Carrier: AT&T, T-Mobile, Vodafone

Small and portable, plug and play.

One-click connection, no need to set, directly available. Note: For the inability to access the Internet: the frequency band of the Sim card and the frequency band of the machine do not match, the customer needs to change the sim card to match the frequency band of the machine can be used (for example, the customer's sim card is B2,B4,B7,B20) but the machine is (B1/B3), at this time there is no matching frequency band can not be used