---
product_id: 405939575
title: "Linear Multi-Code 420001 300MHz Door Opener Wireless Keypad"
brand: "linear"
price: "¥24222"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/405939575-linear-multi-code-420001-300mhz-door-opener-wireless-keypad
store_origin: JP
region: Japan
---

# 300 MHz frequency for reliable signal Easy 2-screw installation Weatherproof casing for all conditions Linear Multi-Code 420001 300MHz Door Opener Wireless Keypad

**Brand:** linear
**Price:** ¥24222
**Availability:** ✅ In Stock

## Summary

> 🚪 Unlock convenience and security with every tap!

## Quick Answers

- **What is this?** Linear Multi-Code 420001 300MHz Door Opener Wireless Keypad by linear
- **How much does it cost?** ¥24222 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/405939575-linear-multi-code-420001-300mhz-door-opener-wireless-keypad)

## Best For

- linear enthusiasts

## Why This Product

- Trusted linear brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Setup:** Mounts quickly with just 2 screws—get your system up and running in minutes without professional help.
- • **Wide Compatibility:** Works flawlessly with multiple Multicode and Skylink remotes, making upgrades and replacements a breeze.
- • **Night-Ready Visibility:** Backlit keypad guarantees easy code entry even in the darkest hours—never fumble in the dark again.
- • **Seamless Access Control:** Single-channel 10 Dip switch system ensures secure, hassle-free operation of your gate or garage door.
- • **Built to Brave the Elements:** Durable weatherproof casing means your keypad stays fully functional rain or shine, season after season.

## Overview

The Linear Multi-Code 420001 is a robust 300 MHz wireless keypad designed for secure and convenient gate or garage door access. Featuring a single-channel 10 Dip switch system, it offers easy installation with just 2 screws and a weatherproof casing for reliable outdoor use. Its backlit keypad ensures usability day and night, and it supports a broad range of compatible remotes, making it a versatile choice for modern home access control.

## Description

Multicode 4200 Keypad gate or garage door opener. 300 MHz Frequency. 10 Dip switches, single channel, will operate one device. Easy installation, mounts with just 2 screws, instructions included. Back light keypad for night time visibility. Weather proof casing. Compatible remotes: Carper 300, Multicode 1090, Multicode 3060, Multicode 3070, Multicode 3083, Multicode 3089, Multicode 4120, Multicode 4140, and Skylink 100.

## Features

- Keypad gate or garage door opener key-pad
- 300 MHz Frequency
- 10 Dip switches, single channel, will operate one device
- Easy installation, mounts with just 2 screws
- Weather proof casing

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Multicode |
| Part Number | 420001 |
| Item Weight | 4 ounces |
| Product Dimensions | 6.75 x 1.5 x 3 inches |
| Item model number | 420001 |
| Batteries | 1 9V batteries required. |
| Is Discontinued By Manufacturer | No |
| Power Source | corded-electric |
| Installation Method | Screw-In |
| Item Package Quantity | 1 |
| Batteries Included? | No |
| Batteries Required? | No |
| Battery Cell Type | Alkaline |

## Product Details

- **Material:** Plastic
- **Brand:** Linear
- **Colour:** Beige
- **Exterior finish:** Aluminum or Stainless Steel
- **Item weight:** 113 g

## Images

![Linear Multi-Code 420001 300MHz Door Opener Wireless Keypad - Image 1](https://m.media-amazon.com/images/I/31gFgS6BifL.jpg)

## Questions & Answers

**Q: does not work when temperature gets above 90F.  Have 2 of them and have same problem with both.  Do you have one that works in hot temps?**
A: We are out of Florida and I never had that problem.I would install on inside lip of garage out of direct sunlight if you have that issue.I will call manufacturer tomorrow and see if they have received the same complaints.RonAAA Security Depot

**Q: What size screw**
A: A very common size--you probably have two around your house.

**Q: Just purchased a 3089 compatible visor remote (10 dip switch) which worked perfectly. Is this the correct item for mounting outside the gate?**
A: Yes. I have mine mounted on a post just outside the gate.

**Q: Are you able to change the code periodically? Like say every 3 months would I be able to set a new code?**
A: Absolutely. This keypad works with Multi-Code devices which typically have dip switches. you can change the dip switches whenever you want and then reprogram the keypad to the new dip switch setting.

---

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**Shop now:** [https://www.desertcart.jp/products/405939575-linear-multi-code-420001-300mhz-door-opener-wireless-keypad](https://www.desertcart.jp/products/405939575-linear-multi-code-420001-300mhz-door-opener-wireless-keypad)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-10*