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

Hardware specifications.
1. Chipset: Espressif-ESP32-PCIO-D4 240MHz Xtensa/Dual-Core 32-bit LX6 32-bit Microprocessor
2. Flash: QSPI Flash/SRAM, up to 4 x 16MB
3. SRAM: 520 KB SRAM
4. Button: reset ??? IO32
5. Dismal: 0.91 SSD1306
6. Power indicator lamp: red
7. USB to TTL: CP2104
8. Camera: OV2640 2.0 MEGAPIXEL
9. Steering motor: analog servo
10. On-board clock: 40 MHz 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. Dimensions: 64.57mm x 23.98mm

Power 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 to 100 Mbps) 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 and Class-3 Emit AFH
3. Audio frequency: CVSD and SBC audio frequency

Software Specifications
1. WiFi Mode: Station / SoftAp / Sofap + Station / P2P
2. Security mechanism: WPA / WPA2 / WPA2-Enterprise / WPS
3. Encryption type: AES / RSA / ECC / SHA
4. Firmware update: Download UART/OTA (via network/host to download and write firmware)
5. Software development: Support cloud server development / SDK for user firmware development
6. Network Protocol: IPv4, IPv6, SSL, TCP, UDP, HTTP, FTP, MQTT
7. User configuration: AT+ instruction set, cloud server, Android/iOS app
8. OS: FREERTOS