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: 165799097

Details

Brand
Mighty Mule
Color
Black
Exterior Finish
Black
Material
Metal
Product Dimensions
42"L x 6"W x

📱Smartphone remote control capable

🔋Solar-ready & battery powered

🌡️Operates -5ºF to 160ºF

R$7205

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Description

🚪 Unlock the future of gate automation—smart, solar, and seriously reliable!

SOLAR READY POWER - Convert to eco-friendly solar charging with compatible 10W panel and battery (sold separately).
ALL WEATHER DURABILITY - Engineered to perform flawlessly in extreme temperatures from freezing cold to scorching heat.
EFFORTLESS SMART ACCESS - Control your gate from anywhere with optional wireless connectivity—over half a mile range.
GUIDED DIY INSTALLATION - Step-by-step BILT App instructions ensure a smooth setup—no guesswork, no delays.
UNIVERSAL GATE COMPATIBILITY - Works seamlessly with chain link, wood, and most outdoor gates up to 16ft/550lb.

The Mighty Mule MM371W is a robust automatic gate opener kit designed for outdoor gates up to 16 feet long and 550 pounds. It supports chain link and wood gates, operates in extreme temperatures (-5ºF to 160ºF), and offers smart home integration with an optional wireless kit. Solar-ready capabilities allow eco-friendly power solutions. Installation is simplified via the BILT App, and safety is ensured with UL325 certification and obstruction alerts. Proudly designed in Carlsbad, CA, and made in North America, this kit includes a remote, control box, and mounting hardware, requiring a separately sold 12V battery.

Specifications

ASIN	B07X36PGH1
Best Sellers Rank	#22,522 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #4 in Gate Openers
Brand Name	Mighty Mule
Color	Black
Customer Reviews	4.0 4.0 out of 5 stars (1,810)
Exterior Finish	Black
Global Trade Identification Number	00090835144437
Included Components	(1) AC Transformer for hard wire applications, (1) Control Box, (1) MM371 Gate Operator, (1) Remote with Visor Clip, Mounting Hardware
Installation Type	Screw-In
Item Dimensions L x W x H	42"L x 6"W x 9"H
Item Type Name	Smart and Solar Ready, Includes Gate Opener Remote and More
Item Weight	23 Pounds
Manufacturer	Mighty Mule
Manufacturer Part Number	MM371W
Manufacturer Warranty Description	1 YEAR Manufacturer warranty and Tech Support
Material Type	Metal
Model Number	MM371W
Recommended Uses For Product	Outdoor Gates
Size	Single
Specification Met	UL
UPC	090835144437
Unit Count	1 Count

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R$7205

Duties & taxes included

In stock

Sold byAmazon BrazilDelivered 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 Brazil.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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