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Description
TTGO T-SIM7600E-H ESP32 WiFi Bluetooth 18560 Battery Holder Solar Charge Module Development Board, T-SIM7600E-HProduct Description Hardware Specifications: 1. Main chip: ESP32 2. Module: ESP32 WROVER B,SIM7600E H 3. Interface: USB,SD Card,Solar Input interface 4. Flash Memory: 4M Flash 8M PSRAM 5. Button: Reset,Power switch 6. USB to TTL: CP2104 7. Car Clock: 40MHz 8. SIM Card Size: Nano SIM Card 9. SIM Antenna 10. GPS Antenna 11. Operating Temperature Range: 40 85 degrees 12. Product Size: 111mm x 37mm x 20mm 13. Product Weight: 50g Power Specifications: 1.
Product Description Hardware Specifications:1. Main chip: ESP32
2. Module: ESP32-WROVER-B,SIM7600E-H
3. Interface:USB,SD Card,Solar Input interface
4. Flash Memory: 4M Flash / 8M PSRAM
5. Button: Reset,Power switch
6. USB to TTL: CP2104
7. Car Clock: 40MHz
8. SIM Card Size: Nano SIM Card
9. SIM Antenna
10. GPS Antenna
11. Operating Temperature Range: -40-85 degrees
12. Product Size: 111mm x 37mm x 20mm
13. Product Weight: 50g
Power Specifications:
1. Working Voltage: 5V input
2. Solar input voltage range???4.4-6V
3. Working Curent: About 200mA
4. Charging Current: 780mA
5. Battery Model: 18650
6. Battery Holder Model: 18650 battery holder
7. JST Connector: 2pin 2mm
8. USB: TYPE-C 3.0
Wi-Fi:
1. Standard: FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC
2. Protocol: 802.11 b/g/n(802.11n???speed up to150Mbps)A-MPDU and A-MSDU polymerization???support 0.4??S 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 -97dBm sensitivity NZIF receiver Class-1, Class-2&Class-3 emitter AFH
3. Audio Frequency : CVSD&SBC audio frequency
Software Specification:
1. Wi-Fi 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 : FreeRTOS
Version update function:
1. The batterys positive and negative poles are connected to the wrong protection, overcharge and over discharge protection
2. GPS power control, reduce power consumption, the lowest reaches 300uA when sleeping
3. Replacement of ordinary charging IC with solar charging IC
Specification:
| Package Weight |
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
Very comfortable
Size: 2 Little Kid, Color: Light Pink
My daughter really really loves these. She said that they are the most comfortable shoes she has ever had.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
★★★★★ 5
Daughters favorite shoes
Size: 2 Little Kid, Color: Light Pink
Daughter loves them. Very comfortable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
★★★★★ 5
Cute shoes
Size: 2.5 Little Kid, Color: Lavendar
Cute, easy to slip on, and my very particular daughter actually wears them - which is saying a lot.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 4, 2026
★★★★★ 5
Her go to pair!
Size: 13 Little Kid, Color: Lavendar
Good quality shoes and she loves them! Slips her foot right in! Her go to pair !
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
★★★★★ 5
It’s a perfect shoe without the correct width it needed to be wider
Size: 5 Big Kid, Color: Lavendar
The app suggested a 6.5 but I needed it in wide and it was not an option.
I had to send them back because they were too tight!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2026