TTGO T-PCIE ESP32-WROVER-B AXP192 Chip WiFi Bluetooth Nano Card SIM Series Module 16MB Hardware Composable Development Board, 16MB Option:16MB which provides advanced audio enhancement

which provides advanced audio enhancement and environmental noise suppression

75inch * 5

40HQ: 1818 cartons * 50 pcs = 90900 pcs

4V (adjustable)

TTGO T-PCIE ESP32-WROVER-B AXP192 Chip WiFi Bluetooth Nano Card SIM Series Module 16MB Hardware Composable Development Board, 16MB Option:16MB which provides advanced audio enhancementHardware specifications 1. Chipset: ESP32 WROVER B, AXP192 power management chip 2. Flash: 16MB 3. Static SRAM: 8MB 4. SRAM: 520 kB SRAM 5. Button: PWR power switch, reset 6. USB to TTL: CP2104 7. Vehicle clock: 40MHz crystal oscillator 8. Peripheral equipment: SIM Nano card slot, Mini PCIE card slot 9. Antenna: Onboard antenna (default) 10. Working voltage: 2. 7V to 3. 6V 11. Sleep current: About 700ma 12. Operating temperature range: 40 degrees