ESP8266 ESP-07 WiFi Module
The ESP8266 ESP-07 is a versatile, low-cost Wi-Fi module built around the popular ESP8266EX SoC. Featuring a shielded metal enclosure and an external antenna connector, the ESP-07 is engineered for reliable wireless connectivity in noise-sensitive and long-range IoT applications.
Key Features
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External Antenna Support: IPEX/U.FL connector for attaching an external antenna — ideal for extended range and through-wall applications
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Shielded Design: Metal RF shielding reduces interference and improves signal stability
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ESP8266EX SoC: 80/160 MHz Tensilica L106 processor with full TCP/IP stack onboard
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Wi-Fi Standard: 802.11 b/g/n, supports STA, AP, and STA+AP modes
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GPIO Pins: Multiple I/O pins for connecting sensors, relays, and peripherals
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AT Command Support: Works out of the box with AT firmware or can be programmed with Arduino IDE / ESP-IDF
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Low Power Modes: Deep sleep support for battery-powered IoT deployments
Specifications
- SoC: ESP8266EX
- Flash: 4MB (varies by variant)
- Operating Voltage: 3.3V
- Antenna: External via IPEX connector (antenna not included)
- Interface: UART, SPI, I2C, GPIO, ADC
- Dimensions: 21.7 x 16mm
Ideal For
- Long-range IoT sensor nodes
- Home automation and smart device control
- Industrial Wi-Fi data logging
- Arduino and NodeMCU-based wireless projects
- Embedded Wi-Fi for custom PCB designs
The ESP-07's external antenna connector makes it the preferred choice when Wi-Fi range and signal reliability matter most. Program it with Arduino IDE, NodeMCU firmware, or MicroPython for rapid prototyping.