
Dual-band wireless module integrates an ESP32-C5 32-bit RISC-V single-core microprocessor running up to 240 MHz. The module supports 2.4 GHz and 5 GHz Wi-Fi 6, Bluetooth LE, Zigbee, and Thread connectivity. It operates from a 3.0 V to 3.6 V supply across a -40 °C to 85 °C ambient temperature range. The WROOM-1 family uses an onboard PCB antenna and measures 18.0 mm by 27.5 mm by 3.3 mm.
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| Core | 32-bit RISC-V single-core microprocessor |
| Maximum CPU Frequency | 240MHz |
| ROM | 320KB |
| HP SRAM | 384KB |
| LP SRAM | 16KB |
| Flash Memory | 8MB |
| PSRAM | 4MB |
| Wi-Fi Standards | IEEE 802.11b/g/n/ac/ax |
| Wi-Fi Frequency Range | 2412-2484, 5180-5885MHz |
| Maximum Wi-Fi Data Rate | 150Mbps |
| Bluetooth | Bluetooth LE, Bluetooth Core 6.0 certified |
| IEEE 802.15.4 Data Rate | 250Kbps |
| Supply Voltage | 3.0-3.6V |
| Required Supply Current Capability | 0.6 minimumA |
| Operating Ambient Temperature | -40 to 85°C |
| Antenna | On-board PCB antenna |
| Module Dimensions | 18.0 x 27.5 x 3.3mm |
| GPIO Count | Up to 22 |
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