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| Hardware Specifications | |
| Chipset | ESP32 Dual-Core |
| FLASH | QSPI flash 4MB/PSRAM 8MB |
| SRAM | 520 kB SRAM |
| Button | |
| USB to TTL | CP2104 |
| Modular interface | UART, SPI, SDIO, I2C, LEDPWM, TVPWM, I2S, IRGPIO, capacitor touch sensors ADC, DACLNA pre-amplifier |
| On-board clock | 40MHz crystal oscillator |
| Working voltage | 2.7V-3.6V |
| Working current | About 160mA |
| Sleep current | |
| Working temperature range | -40 °C ~ +85 °C |
| Size&Weight | 72mm*21mm*21mm |
| Power Supply Specifications | |
| Power management chip | AXP192 |
| Power supply input | USB 5V/1A |
| Charging current | 400mA |
| Battery input | 3.7-4.2V |
| Battery | 3.7V lithium battery (400 Am) |
| Charge 1C | |
| JST Connector | |
| USB | |
| Wi-Fi | Description |
| Standard | FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC (ESP32 chip) |
| Protocol | 802.11 b/g/n(802.11n, speed up to 150Mbps) A-MPDU and A-MSDU polymerization, support 0.4uS Protection interval |
| Frequency range | 2.4GHz~2.5GHz(2400M~2483.5M) |
| Transmit power | 22dBm |
| Communication distance | 300m |
| Bluetooth | Description |
| Protocol | Meet bluetooth v4.2BR/EDR and BLE standard |
| Radio frequency | With -97dBm sensitivity NZIF receiver Class-1, Class-2 & Class-3 emitter AFH |
| Audio frequency | CVSD&SBC audio frequency |
| Software specification | Description |
| Wi-Fi Mode | Station/SoftAP/SoftAP+Station/P2P |
| Security mechanism | WPA/WPA2/WPA2-Enterprise/WPS |
| Encryption type | AES/RSA/ECC/SHA |
| Firmware upgrade | UART download/OTA (Through network/host to download and write firmware) |
| Software development | Support cloud server development /SDK for user firmware development |
| Networking protocol | IPv4, IPv6, SSL, TCP/UDP/HTTP/FTP/MQTT |
| User Configuration | AT + Instruction set, cloud server, android/iOSapp |
| OS | FreeRTOS |
| Hardware Specifications | |
| Chipset | ESP32 Dual-Core |
| FLASH | QSPI flash 4MB/PSRAM 8MB |
| SRAM | 520 kB SRAM |
| Button | |
| USB to TTL | CP2104 |
| Modular interface | UART, SPI, SDIO, I2C, LEDPWM, TVPWM, I2S, IRGPIO, capacitor touch sensors ADC, DACLNA pre-amplifier |
| On-board clock | 40MHz crystal oscillator |
| Working voltage | 2.7V-3.6V |
| Working current | About 160mA |
| Sleep current | |
| Working temperature range | -40 °C ~ +85 °C |
| Size&Weight | 72mm*21mm*21mm |
| Power Supply Specifications | |
| Power management chip | AXP192 |
| Power supply input | USB 5V/1A |
| Charging current | 400mA |
| Battery input | 3.7-4.2V |
| Battery | 3.7V lithium battery (400 Am) |
| Charge 1C | |
| JST Connector | |
| USB | |
| Wi-Fi | Description |
| Standard | FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC (ESP32 chip) |
| Protocol | 802.11 b/g/n(802.11n, speed up to 150Mbps) A-MPDU and A-MSDU polymerization, support 0.4uS Protection interval |
| Frequency range | 2.4GHz~2.5GHz(2400M~2483.5M) |
| Transmit power | 22dBm |
| Communication distance | 300m |
| Bluetooth | Description |
| Protocol | Meet bluetooth v4.2BR/EDR and BLE standard |
| Radio frequency | With -97dBm sensitivity NZIF receiver Class-1, Class-2 & Class-3 emitter AFH |
| Audio frequency | CVSD&SBC audio frequency |
| Software specification | Description |
| Wi-Fi Mode | Station/SoftAP/SoftAP+Station/P2P |
| Security mechanism | WPA/WPA2/WPA2-Enterprise/WPS |
| Encryption type | AES/RSA/ECC/SHA |
| Firmware upgrade | UART download/OTA (Through network/host to download and write firmware) |
| Software development | Support cloud server development /SDK for user firmware development |
| Networking protocol | IPv4, IPv6, SSL, TCP/UDP/HTTP/FTP/MQTT |
| User Configuration | AT + Instruction set, cloud server, android/iOSapp |
| OS | FreeRTOS |










Shipping | Delivery Period | For in-stock parts, orders are estimated to ship out in 3 days. Elecbee ships orders once a day at about 5pm except Sunday. Once shipped, estimated delivery time depends on the below carriers you chose. DHL Express: 3-7 business days DHLeCommerce: 12-22 business days FedEx International Priority: 3-7 business days EMS: 10-15 business days Registered Air Mail: 15-30 business days | |
| Shipping Rates | Shipping rates for your order can be found in the shopping cart. | ||
| Shipping Options | Shipping rates for your order can be found in the shopping cart. | ||
| Shipping Tracking | We will notify you by email with tracking number once order is shipped. You can track your order using the “Track My Order” feature. | ||
| Returning/Warranty | Returning | Returns are normally accepted when completed within 30 days from date of shipment, please contact customer service for a return authorization. Parts should be unused and in original packaging. Customer has to take charge for the shipping | |
| Warranty | All Elecbee purchases come with a 30-day money-back return policy, plus 1-year Elecbee warranty against any manufacturing defects. | ||
| This warranty shall not apply to any item where defects have been caused by improper customer assembly failure by customer to follow instructions, product modification, negligent or improper operation | |||
| Ordering | How to Buy | Elecbee accepts online orders. | |
| Add to cart > Check out > Submit order > Complete payment > Delivery | |||
| Payment | PayPal, Credit Card includes Visa, Master, American Express, Bank transfer. | ||