Photos show this exact unit, including any signs of use.

T-Mobile 5G Home Internet Gateway FAST5688W Wi-Fi 6 Router Sagemcom Fast 5688W
- ShippingDepends on item size and packaging.
- Local pickupAvailable in Taylorsville, UT.
This same item is also listed on
Same unit, same SKU.- Real photos
- Tested in Utah
- Ships in 2–4 business days
- 14-day limited returns
Description
SKU#31688- This product is in "New/ Open Box". Reference pictures to see what accessories are included in this listing.
Experience high-speed home internet with the T-Mobile 5G Home Internet Gateway FAST5688W (manufactured by Sagemcom). Designed to deliver fast, ultra-reliable 5G cellular broadband speeds, this all-in-one modem and Wi-Fi 6 router supports dual-band Wi-Fi (2.4GHz & 5GHz) for seamless multi-device streaming, gaming, and working from home. It features two Gigabit Ethernet LAN ports for high-speed wired connections, an integrated LCD display for signal status and setup, and internal high-gain omnidirectional antennas for maximum coverage. Easy plug-and-play setup controlled via the T-Mobile Internet app.
Included and condition
Included
- T-Mobile 5G Home Internet Gateway FAST5688W
- Power adapter
- Ethernet cable
- User manual
Condition
- Graded New Open Box. Use the listing photos for final cosmetic review.
- No major extra issues are called out in the listing text beyond what is shown in the photos.
Confirm exact contents in the product photos. Accessories vary per unit.
This phone only works on the T-Mobile network or compatible MVNOs that use the same towers. It will not get signal on an incompatible carrier (e.g. Verizon vs T-Mobile). Please confirm compatibility before purchase. Call or text +1 801-696-4475 if unsure.
Product overview
Discover the T-Mobile 5G Home Internet Gateway FAST5688W, a powerful Wi-Fi 6 router designed to provide high-speed home internet. This unit is in 'New/Open Box' condition, ensuring you receive a quality product with all original accessories. With its dual-band Wi-Fi support, you can enjoy seamless streaming, gaming, and remote work across multiple devices. Our 14-day return policy gives you peace of mind with your purchase, allowing you to shop confidently.
Key features
- New/Open Box condition
- Supports dual-band Wi-Fi (2.4GHz & 5GHz)
- Fast 5G cellular broadband speeds
- Includes two Gigabit Ethernet LAN ports
- Ideal for streaming, gaming, and remote work
Why buy on TamDo.us
Buying pre-owned electronics on TamDo.us means lower prices than retail without sacrificing quality. We photograph each item in our Utah warehouse so you see exactly what you're buying — not stock images. Orders ship within 2–4 business days with tracking, and we offer 14-day returns on material defects. Need to inspect in person? Visit our local store at TamDous.com.
Good to know before you buy
Still unsure? Text (385) 715-6888 with SKU 31688Is this router unlocked?
Yes, the T-Mobile 5G Home Internet Gateway is unlocked and can be used with compatible networks.
What is the return policy?
We offer 14-day returns on material defects or items significantly different from the listing.
Does it come with a warranty?
We offer 14-day returns on material defects or items significantly different from the listing.
What accessories are included?
Included are the router, power adapter, Ethernet cable, and user manual.
How fast is the internet connection?
This gateway supports fast 5G cellular broadband speeds, perfect for high-demand internet use.
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