Product Descriptions
Espressif provides the SMD module—ESP-WROOM-02 that integrates ESP8266EX. The module has been adjusted to get the best RF performance. We recommend using ESPWROOM-02 for tests or for further development.
The module size is (18.00 ± 0.20) mm x (20.00 ± 0.20) mm x (2.80 ± 0.15) mm. The type of flash used on this module is an SPI flash with a package size of SOP 8-150 mil. The gain of the on-board PCB antenna is 2 dBi.
Product Specifications
| Categories | Items | Specifications |
| Certification | RF certification | See certificates for ESP-WROOM-02 |
| Wi-Fi certifaction | Wi-Fi Alliance | |
| Green certification | RoHS, REACH | |
| Test | Reliablity | HTOL/HTSL/uHAST/TCT/ESD |
| Wi-Fi | Wi-Fi protocols | 802.11 b/g/n |
| Frequency range | 2.4 GHz ~ 2.5 GHz (2400 MHz ~ 2483.5 MHz) | |
| Hardware | Wi-Fi protocols | 802.11 b/g/n |
| Frequency range | 2.4 GHz ~ 2.5 GHz (2400 MHz ~ 2483.5 MHz) | |
| Peripheral interface | UART/HSPI/I2C/I2S/IR Remote Control | |
| GPIO/PWM | ||
| Operating voltage | 2.7 V ~ 3.6 V | |
| Operating current | Average: 80 mA | |
| Minimum current delivered by power supply | 500 mA | |
| Operating temperature range | –40 °C ~ 85 °C | |
| Storage temperature | –40 °C ~ 85 °C | |
| Package size | (18.00 ± 0.20) mm x (20.00 ± 0.20) mm x (2.80±0.15) mm | |
| External interface | - | |
| Software | Wi-Fi mode | Station/SoftAP/SoftAP + Station |
| Security | WPA/WPA2 | |
| Encryption | WEP/TKIP/AES | |
| Firmware upgrade | UART Download/OTA (via network)/Download and write firmware via host | |
| Software development | Supports Cloud Server Development/SDK for custom firmware development | |
| Network protocols | IPv4, TCP/UDP/HTTP/FTP | |
| User configuration | AT Instruction Set, Cloud Server, Android/iOS app |
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Payment&Transportation
Official Certificate&Certificate
Multiple product supply
Company office environment
Warehouse Real Shot
Standard packaging
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