Why does my remote not open my gate for more than 20 feet away

I had same issue, seems that little tiny antenna that comes with it is too small, I couldn't even get 20 feet. So, I added an extension cable and new antenna that is about 12 inches tall, I built a mounting bracket and added it to the top of the post where the control box is mounted. Now my remote works from inside my house (pointing out the window), which is about 300 feet from the gate. These are the 2 items I bought, about $15 total from Amazon: - WiFi Antenna Extension Cable SMA Male to SMA Female RF Connector Adapter RG316 2M - TECHTOO 9dBi WiFi Antenna with SMA Male (SMA-Plug) Connector Compatible W/Anran Haloview IP Camera & Other Wireless Security Camera Antenna - 2.4Ghz Wireless Networking Device (SMA-Plug 1Pack)

I was told to buy two mm371w for my 2-panel gate. can the two remotes be synced so they work as one?

The gate panel learns the remote. I don’t see why 2 panels won’t learn one remote. Good luck. I am pleased with the new changes upgrades to the system.

On the mm 371 does any one know how far the battery can be located away from the controll box also unit is solar charged.

The wiring harness on the control to the battery is about 2 feet. This would be as far as you could place the battery from the control box. You can purchase a separate solar charger to connect to the gate opener, model FM123.

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Mighty Mule MM371W Automatic Gate Opener, Smart and Solar Ready, Includes Gate Opener Remote and More-Up to 16ft Long or 550lb, Black, 1 Gate Opener Kit

Mighty Mule MM371W Automatic Gate Opener, Smart and Solar Ready, Includes Gate Opener Remote and More-Up to 16ft Long or 550lb, Black, 1 Gate Opener Kit

Product ID: 395916434

Details

Material
Metal
Brand
Mighty Mule
Colour
Black
Exterior finish
Black
Product dimensions
106.7L x 15.2W

📱Smartphone remote control capable

🔋Solar-ready & battery-powered

🌡️Operates -5ºF to 160ºF

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HK$10216

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Description

🚪 Unlock convenience and security with smart, solar-ready power!

SMART HOME READY - Add wireless kit for over half-mile remote control via your phone.
SOLAR POWER OPTION - Easily upgrade with solar panel to keep your gate green and always charged.
ALL WEATHER RELIABILITY - Built to perform in extreme temps from -5ºF to 160ºF, rain or shine.
EFFORTLESS DIY INSTALLATION - Step-by-step BILT App guidance means no guesswork, just smooth setup.
HEAVY DUTY GATE COMPATIBILITY - Supports gates up to 16ft long and 550lb for versatile outdoor use.

The Mighty Mule MM371W Automatic Gate Opener Kit is a robust, UL325-certified solution designed for outdoor gates up to 16ft and 550lb. Featuring easy DIY installation via the BILT App, it supports smart remote control with an optional wireless kit and offers solar charging capability. Engineered for all-weather durability (-5ºF to 160ºF), this North American-made gate opener combines convenience, security, and eco-friendly options for the modern homeowner.

Reviews

A**R

Updated replacement for model 350.

Had a 350 that worked well for a number of years but started becoming unreliable and I wasn't able to successfully troubleshoot it. The 371 was a drop in fit but needed to mount the separate control box. It's working well and I really like the increased speed of opening and closing.

2.09.2023

W**R

Great Auto Gate Opener

I own two of these mighty mule gate systems, one medium and one heavy duty. I have had zero issues with them, other than battery being dead and physical problems with one of my gates. I would purchase another one without hesitation.

3.04.2026

K**.

Only a few hand tools required to install (sic)

Works great. Easier to program than the old 372. Easy to understand instructions, except for the time delay for auto close... Moves faster than the old 372. Gonna have to install bumpers to stop the gates... Added the wi-fi compatibility and love it. Be sure to look under the packaging to find the installation bolts... (duh)

14.03.2025

R**O

Great opener

Works great. Just be sure you BUY A NEW BATTERY, whether you think it is good or not. Ours was pretty new and we checked the cells, gate opener would not work,changed the battery and worked like a champ. It actually said in the instructions, to purchase a new battery.

30.10.2025

K**T

Great!

This gate opener has worked flawlessly for the last 4 months it has been cold here for the last little while and with a small car battery and the mule sloar panel no issuses at all! Reccomend

18.01.2022

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HK$10216

Duties & taxes included

In stock

Sold byAmazon Hong KongDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Hong Kong.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Brand	Mighty Mule
Colour	Black
Exterior finish	Black
Item weight	10.43 kg
Material	Metal
Product dimensions	106.7L x 15.2W x 22.9H centimeters

Mighty Mule MM371W Automatic Gate Opener, Smart and Solar Ready, Includes Gate Opener Remote and More-Up to 16ft Long or 550lb, Black, 1 Gate Opener Kit

Details

Details

Description

Specifications

Reviews

Common Questions