How to increase the range of a SONOFF 4CH by replacing the original with an external wifi antenna

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MHCOZY 1 Channel 5V 12V ZigBee Smart Relay Switch,Adjustable Selflock and Momentary Working Mode,Works with Tuya eWelink Zigbee Gateway: : Tools & Home Improvement

External antenna for sonoff 4ch pro R2 - #18 by Patrick123 - Hardware - Home Assistant Community

Sonoff RF Bridge extended range - Radio frequencies gateways 315mhz, 433mhz, 868mhz - Theengs and OpenMQTTGateway

Wireless WiFI Repeater WiFI Range Extender 300Mbps Network Wi FI Amplifier Signal Booster Repetidor WiFI Access Point - AliExpress

Sonoff wifi Antenna extender IOT

SONOFF RF BridgeR2 433 Smart Hub

SONOFF 4 Channel Wi-Fi Switch - Review, Setup, Demo

Sonoff with external wifi antenna - Hardware and Blynk Libraries - Blynk Community

SONOFF 4CH Pro R3 Wi-Fi Smart Switch 4-Channel Din Rail Mounting Home Automation,Self-Locking/Interlock Control Home Appliances, RF/APP/Voice/LAN Control, Works with Alexa(1 Pack): : Tools & Home Improvement

Newgoal wireless jog relay momentary/self-locking switch module DIY smart home remote control wifi relay switch Ewelink App compatible with Alexa Echo Google Home IFTTT (DC1)

SONOFF Mini R2 10A Smart WiFi Wireless Light Switch, Universal DIY Module for Smart Home Automation Solution, Works with Alexa & Google Home Assistant, No Hub Required

How to add an external antenna to an ESP board - ESPHome - Home Assistant Community