CMU WI07C WiFi Module - Low Cost ESP8266EX ESP-01 Upgrade

The CMU WI07C WiFi Module is a low-cost, ESP8266EX-based wireless module designed as an upgrade to the ESP-01. Featuring a 4-pin interface (VCC-3.3V, GND, TXD, RXD) and two extra GPIOs, it provides a compact, efficient solution for IoT, embedded, and DIY electronics projects. With integrated TCP/IP stack, high processing power, and minimal external circuitry requirements, it is ideal for smart devices and connected applications.

Features:

• Based on Espressif ESP8266EX Wi-Fi SoC
• Simple 4-pin interface (VCC, GND, TXD, RXD)
• Two additional GPIO pins available
• Supports 802.11 b/g/n, Wi-Fi Direct, Soft-AP
• Integrated TCP/IP protocol stack
• Powerful 32-bit RISC processor with on-chip memory
• Interfaces: SDIO 2.0, SPI, UART, I S
• High RF integration: switch, balun, PA, DCXO, PMU
• Security: WEP, TKIP, AES, WAPI engines
• Ultra-low power consumption with deep sleep and standby modes
• Supports AP, STA, and AP+STA modes
• Easy-to-use AT command set for rapid development

Specifications:

• Chipset: ESP8266EX
• Package: 32-pin QFN
• Output Power: +19.5 dBm (802.11b)
• Power Consumption:
  Standby <1.0mW (DTIM3)
  Power down leakage current <10 A
• Wake-up Time: <2ms
• MIMO Support: STBC, 1×1, 2×1
• Aggregation: A-MPDU, A-MSDU, 0.4ms guard interval
• Dimensions: Compact form factor, minimal PCB footprint

Applications:

• IoT devices & smart appliances
• Wireless sensor networks
• Home automation
• Robotics and DIY electronics
• Embedded wireless controllers

What's in the box
1 x CMU WI07C WiFi Module - Low Cost ESP8266EX ESP-01 Upgrade