TTGO Meshtastic T-Beam V1.1 ESP32 868MHz OLED WiFi Bluetooth GPS NEO-6M SMA 18650 Battery Holder
Dispatch: Ships within 2-5 business days
Estimated Delivery: Between
FREE SHIPPING & RETURN
Product demonstration (Note: OLED is not soldered to T-beam)
1. ESP 32 version: Rev1
4. 4MB pSRAM
5. 4MB flash memory
6. Three-dimensional antenna
1. Working voltage: 1.8~3.7V
2. Acceptable current: 10~14 mA
3. Transmitting current: 120 mA@+20 dBm
4. 90 mA@+17 dBm
5. 29 mA@+13 dBm
6. Working frequency: 433/470 MHz (433 HMz version) SX1278 /868m/915 m (868 MHz version) SX1276
7. Transmitting power: +20 dBm
8. Receiving sensitivity:
-139 dBm@Lora&62.5Khz&SF=12&146 bps
-136 dBm@Lora&125 Khz&SF=12&293 bps
-118 dBm@Lora&125 Khz&SF=6&9380 bps
-123 dBm@FSK&5 Khz&1.2Kbps
9. Frequency error: +/-15 kHz
10. FIFO space: 64 bytes
11. Data rate:
12. Modulation method: FSK, GFSK, MSK, GMSK, Lora TM, OOK
13. Interface form: SPI
14. Sleep current: 0.2uA
16. Working temperature: -40 degrees Celsius-+85 degrees Celsius
17. Digital RSSI function
18. Automatic frequency correction
19. Automatic gain control
20. Low pressure detection
21. Fast wake-up and frequency hopping
22. Highly configurable packet handler
Global Positioning System:
1. GPS module neo-6m, 3V-5V power supply universal
2. The predetermined module with ceramic antenna, super signal
3. Save configuration parameter data EEPROM
4. With data backup battery
5. With LED signal indicator
6. The default baud rate: 9600
1. TP 5400
2. 1A battery management
3. LED indicator: there are 4 LEDs to display the battery status in real time
5. CP 2104-GMR
6. Pre-Flash firmware
1. Size: 0.96 inches
2. High resolution: 128×64
3. Color: white
4. Viewing angle: >160 degrees
5.Driver IC: SSD 1306
6. Working temperature: -30~80 degrees Celsius
7. Module size (generous): 27.0mm x 27.0mm x 4.1mm
8. Support a variety of control chips: fully compatible with Arduino, 51 series, MSP 430 series, STM 32/2, CSR chips, etc. (a lot of examples are available for reference)
9. Wide voltage support: directly support 3.3V~5V DC power supply without any modification
10. Ultra-low power consumption: 0.04W in normal operation
11. IO port occupies the smallest display: IIC communication, as long as two IO ports
More Detailed Photos:
When you order from Alexnld.com, you will receive a confirmation email. Once your order is shipped, you will be emailed the tracking information for your order’s shipment. You can choose your preferred shipping method on the Order Information page during the checkout process. Alexnld.com offers 3 different international shipping methods, Airmail, Airmail registered and Expedited Shipping Service, following are delivery times:
|Airmail and Airmail Registered||Area||Time|
|United States, Canada||10-25 business days|
|Australia, New Zealand, Singapore, United Arab Emirates||10-25 business days|
|United Kingdom, France, Spain, Germany, Netherlands, Japan, Belgium, Denmark, Finland, Ireland, Norway, Portugal, Sweden, Switzerland||10-25 business days|
|Italy, Brazil, Russia||10-45 business days|
|Other countries||10-35 business days|
|Expedited Shipping||7-15 business days to Worldwide|
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NOTE: Your order will be shipped to your PayPal address. Ensure you have selected or entered the correct delivery address.
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2) Enter your Card Details the order will be shipped to your PayPal address. and click Submit.
3) Your Payment will be processed and a receipt will be sent to your email inbox.
You may return this item within 30 days of delivery for a full refund. We’ll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
If you need to return an item, please Contact Us with your order number and details about the product you would like to return. We will respond quickly with instructions for how to return items from your order.
Product not working as expected?
Our Customer Service team are able to resolve most product related issues quickly and efficiently. For the support, please contact our team using the submission form on our Contact page.
In order for a return to be eligible for a refund please ensure you return within 30 days from the delivery date of your item.
We kindly ask that you return your item to us in new or lightly used condition with no signs of worn out. If the item is in used condition, please send us the photo to confirm its condition before returning it. We reserve the right to refuse any return if there are any signs of worn out or if parts are missing.
Please be aware, we do cover the cost of the returns fees only if the return is a result of our error (you received an incorrect or defective item, etc.).
All customers should contact us before sending anything to us. We will not be responsible for returned item(s) without notifying us in advance.
Following a successful inspection of your return we will process a full refund to the credit / debit card or PayPal account which was used to place the original order.
You should expect to receive your refund within four weeks of returning your package, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 20 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (3 to 5 business days).