HAISEN TTGO T-Call V1.3 ESP32 WiFi BT беспроводной модуль GPRS антенна SIM-карта SIM800L Модуль и

Specifications
Chipset	ESP32-WROVER-B
SIM Type	SIM800C
FLASH	4MB
PSRAM	8MB
SRAM	520 kB SRAM
Button	Power Switch,Reset
External port	SIM Antenna,MIC,Speaker
USB to TTL	CP2104
On-board clock	40MHz crystal oscillator
Working voltage	2.7V-3.6V
SIM card	Only supports Nano SIM card
Working temperature range	-40℃ ~ +85℃
Size&Weight	74.78*24.75*10.6mm(13.2g)
Power Supply Specifications
Power Supply	USB 5V
Charging current	The charging current is programmable and self-adjustable (default 500mA)
Battery	3.7V lithium battery
JST Connector	2Pin 2.0mm
USB	Type-C
Wi-Fi
Standard	FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC
Protocol	802.11 b/g/n(802.11n,speed up to150Mbps)A-MPDU and A-MSDU polymerization,support 0.4μS Protection interval
Frequency range	2.4GHz~2.5GHz(2400M~2483.5M)
Transmit Power	22dBm
Communication distance	300m
wireless
Protocol	meet wireless 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
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

 

 

Lead Time:

Quantity(Pieces)	1 - 1000	>1000
Est. Time(days)	3	Negotiable

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