Bluetooth Development Board for TTGO TCall V1.3 ESP32 Wireless WiFi Bluetooth Communication Module Distance up to 300m

Specification:
Features: This product is made of PCB material, strong and. Adopting high specification craft, carefully welding, hole position, complete functions. Compliant with FCC/CE-RED/IC/TELEC//SRRC/NCC standards, communication distance up to 300m. For -ESP32240MHzXtensa single/-core 32-bit LX6 microprocessor for stable and powerful performance. It is very easy to install and does not require particularly complicated.
Specification:
Material: PCB
Size: Approx. 78.83 mmx 28.92 mmx 8.06 mm/ 3.10 x 1.14 x 0.32 inchWeight: Approx.
11.77 gHardware

Specifications

:
Chipset: For -ESP32 240MHz Xtensa single-/-core 32-bit
LX6 microprocessorFlash: For QSPI flash 4MB /
PSRAM 8MB: 520
kB: ResetUSB to
TTL: CP2104Modular
Interface: UART, SPI, SDIO, I2C, LED PWM, TV PWM, I2S, IRGPIO, capacitor touch sensor, ADC, DACLNA pre-amplifierOn-board
Clock: 40MHz crystal oscillatorWorking
Voltage: 2.7V - 3.6VW orking
Current: About 70mASleep
Current: Approx.
300uASIM Card: Only supports SIM cardWorking
Temperature Range: -40-+85Power Supply

Specifications

: Power
Supply: USB 5V/1ACharging
Current:
500mABattery: 3.7V lithium batteryJST
Connector: 2Pin
1.25 mm/ 0.05 inchUSB: Type-CWi-Fi
Standard: FCC/CE-RED/IC/TELEC//SRRC/NCC (For ESP32 chip)
Protocol: 802.11 b/g/n ( 802.11 n, speed up to 150Mbps) A-MPDU and A-MSDU polymerization, support 0.4S intervalFrequency
Range: 2.4GH z- 2.5GH z (2400M- 2483.5M )Transmit
Power: 22dBmCommunication
Distance: Approx.
300m/ 984.25 ftProtocol: Meet v 4.2BR /EDR and BLE standardRadio
Frequency: With -97dBm sensitivity NZIF receiver Class-1, Class-2&Class-3 emitter AFH
Audio Frequency: CVSD&SBC audio frequencySoftware
Specification: Wi-Fi
Mode: Station/SoftAP/SoftAP+Station/P2PSecurity
Mechanism: WPA/WPA2/WPA2-Enterprise/WPS