Will this function as a WiFi extender / repeater on an existing network without an installed sim card?

Yes, it will. I used it at my house briefly in that capacity until I could get my Plume adaptive WiFi set up and installed, and it worked fine. It's not the fastest in the world, but it was functional.

Will this device do 4g/lte in germany or only 3g?

Yes, E5577Cs-321 will work in both 4G LTE and 3G modes in Germany and the rest of EU.

Will this work in Colombia

Yes, Huawei E5577Cs-321 will work in Colombia with 4G LTE Claro 2600 MHz, 4G LTE DirecTV 2600 MHz and 4G LTE Une-EPM 2600 MHz.

is this offered for usa, with 4g?

No, it will not work in 4G mode in the USA

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🌐 Stay connected everywhere, anytime — because your network should never slow you down.

BLAZING FAST 4 G LTE - Stream, work, and connect at up to 150 Mbps wherever you go.
GLOBAL CONNECTIVITY - Seamlessly switch between 4G in Europe, Asia, Middle East, Africa and 3G worldwide.
SECURE ONE TOUCH WPS - Instantly connect devices with hassle-free Wi-Fi Protected Setup for secure sharing.
COMPACT LIGHTWEIGHT - Sleek 9.5 x 5.5 x 1 cm design weighing just 120g fits perfectly in your professional on-the-go lifestyle.
POWER THROUGH YOUR DAY - Built-in Lithium Polymer battery ensures hours of uninterrupted mobile internet access.

The Huawei E5577Cs-321 is a compact, lightweight mobile WiFi hotspot delivering up to 150 Mbps 4G LTE speeds across Europe, Asia, Middle East, and Africa, with global 3G fallback. Featuring 802.11ac Wi-Fi, a secure WPS button, and a rechargeable Lithium Polymer battery, it’s designed for professionals who demand reliable, fast internet on the move.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Brand	Huawei
Series	E5577
Colour	White
Item Height	1 Centimeters
Item Width	5.5 Centimeters
Product Dimensions	9.5 x 5.5 x 1 cm; 120 g
Batteries	1 Lithium Polymer batteries required. (included)
Item model number	E5577-320
Connectivity Type	3G, 4G, Wi-Fi
Wireless Type	802.11ac
Voltage	3.7 Volts (DC)
Operating System	RouterOS
Are Batteries Included	Yes
Lithium Battery Energy Content	5.7 Watt Hours
Lithium Battery Voltage	1 Volts
Lithium Battery Weight	100 Grams
Number of Lithium Ion Cells	2
Number of Lithium Metal Cells	1
Item Weight	120 g

Huawei E5577Cs-321 150 Mbps 4G LTE & 43. 2 Mpbs 3G Mobile WiFi Hotspot (4G LTE in Europe, Asia, Middle East, Africa & 3G globally) (White)

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