{"product_id":"esp-12f-wifi-module-uart-to-wifi-wireless","title":"WiFi Module ESP-12F | ESP8266 UART to WiFi Wireless Transparent Transmission","description":"\u003ch2\u003eESP-12F WiFi Module | ESP8266 UART-to-WiFi Wireless Transparent Transmission for IoT \u0026amp; Embedded Designs\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eESP-12F WiFi Module\u003c\/strong\u003e is a \u003cstrong\u003ecompact 24 × 16 × 3 mm ESP8266-based wireless transceiver\u003c\/strong\u003e for \u003cstrong\u003eUART-to-WiFi bridging, IoT nodes, and embedded WiFi designs\u003c\/strong\u003e. Onboard PCB antenna, FCC \/ CE \/ RoHS \/ SRRC certified, and a complete protocol stack on-chip — drop it into a design and you have a 2.4GHz WiFi link without a separate MCU+radio architecture.\u003c\/p\u003e\n\u003cp\u003eBridges asynchronous serial data to a TCP\/IP wireless link with a \u003cstrong\u003emaximum transmission rate of 4 608 000 bps\u003c\/strong\u003e and a typical line-of-sight range of \u003cstrong\u003eup to 80 metres\u003c\/strong\u003e. Multi-protocol GPIO support (UART, GPIO, ADC, PWM, SPI) lets it act as either a transparent-bridge slave or a fully autonomous node running its own application firmware.\u003c\/p\u003e\n\u003ch3\u003eTypical Use Cases\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart-home \u0026amp; home-automation hubs\u003c\/strong\u003e — sensor, lighting, and HVAC node connectivity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial IoT\u003c\/strong\u003e — UART-to-WiFi gateways for legacy serial equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote monitoring \u0026amp; control\u003c\/strong\u003e — telemetry uplink from low-power embedded devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart agriculture \u0026amp; environmental sensing\u003c\/strong\u003e — wireless soil \/ climate node deployment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWireless sensor networks\u003c\/strong\u003e — mesh \/ star topologies with ESP8266 endpoints.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eESP-12F WiFi Module Specifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eESP-12F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChipset\u003c\/td\u003e\n\u003ctd\u003eESP8266\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e24 × 16 × 3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Range\u003c\/td\u003e\n\u003ctd\u003e2412 MHz to 2484 MHz (2.4 GHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Transmission Rate\u003c\/td\u003e\n\u003ctd\u003e4 608 000 bps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterfaces\u003c\/td\u003e\n\u003ctd\u003eUART, GPIO, ADC, PWM, SPI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e3.3V (range 3.0V–3.6V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-20°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Range\u003c\/td\u003e\n\u003ctd\u003eUp to 80m (line-of-sight, environment-dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAntenna\u003c\/td\u003e\n\u003ctd\u003eOnboard PCB trace\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eFCC, CE, RoHS, SRRC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eBrand New\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003c\/h3\u003e\n\u003ch3\u003eFAQ — ESP-12F WiFi Module\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: ESP-12F vs ESP-07 — which one do I want?\u003c\/strong\u003e\u003cbr\u003eA: ESP-12F has the integrated PCB antenna and is the more common general-purpose part. ESP-07 has the ceramic antenna footprint with an optional external IPEX connector — pick ESP-07 when the host enclosure blocks RF and you need to route an external antenna.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: ESP-12F vs ESP32 modules — when should I move up?\u003c\/strong\u003e\u003cbr\u003eA: ESP-12F is ESP8266-based (single-core, no Bluetooth, ~80 KB usable RAM). ESP32 modules add dual-core, Bluetooth LE, larger RAM, and AI accelerators. Stay on ESP-12F for cost-sensitive WiFi-only nodes; move to ESP32 when the project needs BLE, more memory, or higher compute.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: 3.3V supply — does it tolerate 5V on the UART lines?\u003c\/strong\u003e\u003cbr\u003eA: No. The ESP8266 I\/O is 3.3V logic; sustained 5V on the RX line will degrade or destroy the input buffer. Use a level shifter or resistor divider when bridging to a 5V host MCU.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Bulk pricing for OEM \/ production runs?\u003c\/strong\u003e\u003cbr\u003eA: Yes — email contact@lys-sz.com for tray-quantity pricing and tape-and-reel options on ESP-12F volumes.\u003c\/p\u003e\n\u003ch3\u003eRelated products\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/esp-07-esp8266-wifi-uart-module\"\u003eESP-07 ESP8266 WiFi UART Module (external antenna)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/esp32-s3-wroom-1-n8r2-wifi-ble-ultra-low-power-consumption-module\"\u003eESP32-S3-WROOM-1-N8R2 WiFi+BLE Module\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/esp32-s3-wroom-1-n16r8-wifi-bluetooth-module-ai-accelerator-iot-smart-home\"\u003eESP32-S3-WROOM-1-N16R8 WiFi+BT Module\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/esp32-cam-wifi-bluetooth-development-board-ov2640-camera-module\"\u003eESP32-CAM Dev Board with OV2640 Camera\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOEM teams stocking ESP-12F WiFi modules by the tray? Email \u003ca href=\"mailto:contact@lys-sz.com\"\u003econtact@lys-sz.com\u003c\/a\u003e for bulk pricing. Worldwide shipping from our Shenzhen warehouse.\u003c\/p\u003e","brand":"LYS Shenzhen","offers":[{"title":"Default Title","offer_id":45207673536691,"sku":null,"price":1.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/6710\/4179\/files\/esp12f-wifi-module.webp?v=1767663206","url":"https:\/\/lys-sz.com\/products\/esp-12f-wifi-module-uart-to-wifi-wireless","provider":"LYS Shenzhen","version":"1.0","type":"link"}