TTGO T-Journal Lens Camera Module OV2640 SMA WiFi 0.91 OLED Development Board with 3dbi Antenna

Hardware Specifications
1. Chipset: ESPRESSIF-ESP32-PCIO-D4 240MHz Xtensa single-/dual-core 32-bit LX6 microprocessor
2. FLASH: QSPI flash/SRAM, up to 4 x 16 MB
3. SRAM:520 kB SRAM
4. KEY: Reset???IO32
5. Dispaly: 0.91 SSD1306
6. Power indicator lamp: Red
7. USB to TTL: CP2104
8. Camera: OV2640 2.0 Megapixel
9. Steering engine: Analog servo
10. On-board clock: 40MHz crystal oscillator
11. Working voltage: 2.3V-3.6V
12. Working current: About 160mA
13. Working temperature range: -40 degree C ~ +85 degree C
14. Size: 64.57mm x 23.98mm

Power Supply Specifications
1. Power Supply: USB 5V/1A
2. Charging current: 1A
3. Battery: 3.7V lithium battery (not included)

WiFi
1. Standard: FCC/CE/TELEC/KCC/SRRC/NCC(esp32 chip)
2. Protocol: 802.11 b/g/n/e/i (802.11n, speed up to150Mbps) A-MPDU and A-MSDU polymerization, support 0.4uS Protection interval
3. Frequency range: 2.4GHz~2.5GHz(2400M~2483.5M)
4. Transmit Power: 22dBm
5. Communication distance: 300m

Bluetooth
1. Protocol: Meet bluetooth v4.2BR/EDR and BLE standard
2. Radio frequency: With -98dBm sensitivity NZIF receiver Class-1, Class-2 & Class-3 emitter AFH
3. Audio frequency: CVSD&SBC audio frequency

Software specification
1. WiFi Mode: Station/SoftAP/SoftAP+Station/P2P
2. Security mechanism: WPA/WPA2/WPA2-Enterprise/WPS
3. Encryption Type: AES/RSA/ECC/SHA
4. Firmware upgrade: UART download/OTA (Through network/host to download and write firmware)
5. Software Development: Support cloud server development / SDK for user firmware development
6. Networking protocol: IPv4, IPv6, SSL, TCP, UDP, HTTP, FTP, MQTT
7. User Configuration: AT + Instruction set, cloud server, android/iOS app
8. OS: FreeRT OS