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ELSYS AMPLIMAX 4G LTE Modem with SIM Card Slot and Built in High-Gain Antenna
$178.00
Free shipping across the U.S. 🇺🇸
- [WHAT IS AMPLIMAX] This compact, FCC certified ultimate device integrates a high-gain antenna with a 4G LTE modem, delivering unmatched connectivity. Mount it on a pole or wall and enjoy efficient internet access through the cellular network with a SIM card. Factory unlocked and compatible with all US carriers — including AT&T, T-Mobile, and Verizon — as well as major networks worldwide. Perfect for primary internet or failover needs. It can be used at home, RV’s, vacation rentals, camping, parties, remote areas and rural areas.
- [PLUG & PLAY] No more hassle with additional drivers or complex setups. Simply insert the SIM card of your preferred carrier into Amplimax and have internet connection in 2 different ways: 1. Direct Connection: Link Amplimax directly to your computer or laptop through a regular Ethernet cable (INCLUDED). 2. Wi-Fi Connection: Connect Amplimax to a router through a regular Ethernet cable (INCLUDED) for wireless internet access (Router not included).
- [6 X MORE COVERAGE] Its high-gain antenna ensures up to 6x more range than indoor modems, resulting in higher performance internet. Due to its in High-Gain Antenna, captures internet up to 25 miles of distance.
- [BLIND SEARCH] Amplimax Blind Search allows you to find out which carrier delivers the stronger signal and the best technology to your location before purchasing your SIM card. This product requires a SIM card with a data plan. It also has an easy install bottom after inserting the SIM card that will assist in pointing the antenna toward the area with the best signal available.
- [HIGH DURABILITY] Water, dust, and UV ray protection for outdoor installation. Amplimax can be either pole-mounted or wall-mounted. Meets all FCC guidelines and won’t interrupt or harm any carriers’ signals.
- [QUALIFIED WITH MAIN CARRIERS] Is unlocked and works with the main carriers in the US: Qualified to run with AT&T, T-Mobile, and Verizon. FCC certified.
Amplimax comes with a one-year warranty, ensuring peace of mind and confidence in your investment. Rest assured knowing that Columbia USA stands behind the quality and performance of our products, providing reliable support whenever you need it.
Verified eBay Reviews
What Our Customers Say
Real feedback from verified eBay purchases — 100% authentic.
5.0
100% Positive Feedback on eBay
I
i_am_indreadcold
225 feedbacks
"This is a certified reseller for Elsys, don't let the low number of reviews fool you. Seller shipped incredibly fast — 2 days from southern most US to northern most US. Much appreciated!"
U
usabrooklyn
132 feedbacks
"Based on my experience I went ahead and purchased a second unit. There is no comparison in signal acquisition and channel locking. In my opinion this unit is one of the best if not the best out there."
B
blackin-70
165 feedbacks
"I got the Elsys 4G and I must say it shipped fast! When I got it I had a problem with setting it up. I contacted the seller and the seller replied in minutes! Will buy from this seller again."
Z
zaphod351
172 feedbacks
"No issues with this seller or this product. Was a brand new shrink wrapped product, delivered in a couple days. Don't let the low feedback number deter you. Honest seller."
S
silverven
65 feedbacks
"Seller shipped ultra fast, been doing some testing with the Amplimax 5G Ultra and is working like a charm. Would recommend."
G
gatoruf1
79 feedbacks
"Open box item was like new. Seller was quick to respond to my questions and update their site with the latest firmware. Shipping was fast as well, same day in my case."
E
erick_alvarenga
467 feedbacks
"Great seller and faster shipping! Very happy with the purchase and the service provided."
U
usabrooklyn
132 feedbacks
"ELSYS 5G unit is brand new and arrived promptly in 3 days. I dare rate the ELSYS 5G as top of the heap because of its signal grabbing capabilities, design and features. Highly recommend."
Frequently asked questions
How does Amplimax’s Blind Search feature work?
Amplimax’s Blind Search function helps you identify which carrier provides the strongest signal and best available technology at your location before you purchase your SIM card
Does Amplimax accept SIM cards from all carriers?
Yes. Amplimax supports nano SIM cards from all carriers.
I live in a rural area with poor reception, will Amplimax improve my speed?
Yes. Amplimax is designed specifically for areas with poor reception. Use a SIM from the carrier with the closest tower for best results. With Amplimax, your internet will feel as if the tower is right in your backyard.
What is included in the Amplimax package?
Amplimax comes with everything you need for installation:
1 Amplimax Ultra
1 Power supply (24 VDC/1 A)
1 Power supply for router (12 VDC/1.5 A)
1 Ethernet cable (4.5 ft)
1 Ethernet cable (49.2 ft, PoE)
1 PoE injector
2 plastic clamps (for pole and cable)
2 metal clamps (for pole mounting)
1 wall bracket (optional use)
You will only need a Wi-Fi router, you can even use one you already have at home.
Is Amplimax compatible with T-Mobile, AT&T, or Verizon home internet plans?
Yes. Amplimax works with all U.S. carriers.
→ Verizon: requires a physical SIM card (eSIM not supported).
→ Other carriers: simply insert your SIM and follow the configuration guide.
Can Amplimax’s IMEI be changed?
Yes. Amplimax allows IMEI customization, which can be useful for certain carrier plans such as T-Mobile’s. This feature is optional and not required for regular operation.
What kind of warranty is included?
Amplimax includes a 1-year manufacturer warranty covering defects, along with technical support from our team.
Does Amplimax have a reset function for factory settings recovery?
Yes. Amplimax includes a reset function to restore factory settings if needed.
What is the voltage range of Amplimax’s power adapter?
The power adapter is bivolt, operating from 100 to 240 VAC (50/60 Hz).
How can I access the Amplimax configuration page?
Connect the device to your computer via Ethernet and typehttp://192.168.10.254into your web browser.
Does Amplimax offer software updates to fix signal issues?
Yes. Amplimax provides software updates to address connection or signal problems and enhance performance. Updates can be downloaded from connectwithcolumbia.com and installed via USB flash drive.
Are software updates mandatory?
No. Updates are optional. Users may choose to update only when necessary or recommended.