ESP32-C61-WROOM-1U-H16R2 Wireless Communication Module 16MB Wi-Fi 6/BT 5.3 Dual Mode Wireless Module

ESP32-C61-WROOM-1U-H16R2 Wireless Communication Module 16MB Wi-Fi 6/BT 5.3 Dual Mode Wireless Module​

Product Description Of ESP32-C61-WROOM-1U-H16R2

ESP32-C61-WROOM-1U-H16R2 is a 2.4GHz Wi-Fi 6 + Bluetooth 5 (LE) dual-mode wireless module based on the ESP32-C61 chip. It features a U.FL external antenna interface and is equipped with 16MB of Flash memory and 2MB of PSRAM. It is specifically designed for IoT devices requiring large storage capacity, stable RF performance and low power consumption.
ESP32-C61-WROOM-1U-H16R2 is centred around a 32-bit single-core RISC-V (RV32IMAC) processor with a maximum clock speed of 160MHz. It integrates dual-mode 2.4GHz 802.11ax (Wi-Fi 6) and Bluetooth 5 Low Energy wireless capabilities, supporting key features such as OFDMA, MU-MIMO and TWT (Target Wake Time) and other key features, enabling low latency, high concurrency and ultra-low power standby in high-density IoT environments.

Specification Of ESP32-C61-WROOM-1U-H16R2

Features Of ESP32-C61-WROOM-1U-H16R2

1. Processor and Memory
CPU: 32-bit RISC-V single-core (RV32IMAC), up to 160MHz
ROM: 256KB (built-in protocol stack, bootloader, security functions)
SRAM: 320KB (192KB ITCM + 128KB DTCM)
Flash: 16MB Quad SPI Flash (H16)
PSRAM: 2MB Quad SPI PSRAM (R2)
External Storage: Supports SDIO/SPI expansion
2. Wireless Performance
Wi-Fi 6 (802.11ax)
Band: 2.4GHz (1T1R)
Bandwidth: 20MHz
Data Rate: Up to 150Mbps (MCS9)
Features: OFDMA, UL/DL MU-MIMO, TWT, 802.11mc FTM
Modes: Station / SoftAP / Station+SoftAP
Bluetooth 5 (LE)
Data Rate: 125 kbps – 2 Mbps
Features: LE Mesh, AoA/AoD, Broadcast Extension, Power Control
RF Parameters
Wi-Fi Transmit Power: 20 dBm (11b)
BLE Transmit Power: 20 dBm
Receive Sensitivity: Wi-Fi -98dBm (MCS7); BLE -96dBm (1Mbps)
3. Peripheral Interfaces
GPIO: 23 channels (multiplexed with ADC/PWM/SPI/I2C/UART)
Analogue: 12-bit SAR ADC (4 channels), 2 DACs, 4 comparators
Communications: 3×UART, 2×SPI, 2×I2C, 1×I2S, 1×USB 2.0 OTG, 1×CAN FD
Timers: 16-channel LED PWM, general-purpose timers, watchdog
Special features: ETM (Event Task Matrix), GDMA, JTAG debugging
4. Power Supply and Power Consumption
Operating voltage: 3.0V to 3.6V (typical 3.3V)
Operating current: Wi-Fi TX ~380mA; Standby ~80mA
Low power: Deep sleep <5μA; Modem sleep <1mA
Power management: On-board LDO, POR/BOR reset
5. Security features
Secure Boot, Flash encryption (AES-128)
True Random Number Generator (TRNG)
RSA-2048, ECDSA, SHA-256 hardware acceleration
6. Physical Specifications
Package: SMD surface mount
Dimensions: 18.0 × 25.5 × 3.2 mm
Antenna: U.FL external antenna interface (1U)
Temperature: -40°C to +85°C (industrial grade)

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