TTGO T-Beam V1.1 - ESP32 SX1262 LoRa 868MHz + WiFi/Bluetooth + GPS NEO-6M | Reverse Battery Protection & 18650 Support
Features:
- LoRa with SX1262 Chip: +22dBm TX power & -139dBm sensitivity (LoRa SF12) using precision TCXO crystal (±0.5ppm). Ultra-low 0.016µA sleep current—extends 18650 battery life to 18+ months for remote deployments.
- ESP32 REV1 Supercharged for IoT: 8MB PSRAM + 4MB Flash with 3D antenna—handles complex sensor networks & real-time GPS tracking. WiFi/Bluetooth 5.0 for dual-connectivity setups.
- Rugged GPS NEO-6M with Backup: Ceramic antenna + EEPROM data storage survives signal drops. 9600 baud rate for sub-3m accuracy in drones/assets. LED signal indicator for instant status checks.
- V1.1 Exclusive: Reverse Battery Protection: AXP192 power IC prevents damage from incorrect installs—critical safety upgrade over V1.0. 500mA charging via USB-C (5V/1A input).
- Industrial-Grade RF Performance: -40℃ to 85℃ operation with FSK/LoRa™/OOK modulation. 256B FIFO buffer handles high-density data bursts. Includes 915MHz antenna + headers—ready for agriculture/asset tracking.
- Description
| Electrical Parameters | |||||
| Test conditions: power supply 3.3V, temperature 25℃ | |||||
| Parameter | Minimum | Typical value | Max | Unit | Condition |
| Working conditions | |||||
| Operating voltage | 1.8 | 3.3 | 3.7 | V | |
| Working temperature | -40 | 25 | 85 | ℃ | |
| Power consumption | |||||
| Emission current | 89 | 100 | 114 | mA | 400~520MHz |
| 124 | 130 | 135 | 830~945MHz | ||
| Receiving current | 4.2 | 5.3 | 8.2 | 400~520MHz | |
| Sleep current | 0.016 | 1.2 | 1.5 | uA | Sleep mode |
| RF parameters | |||||
| Operating frequency | 400 | 433.92/470 | 520 | MHz | 400~520MHz |
| 840 | 868/915 | 945 | 830~945MHz | ||
| Transmit power | 19.2 | 20.6 | 21.2 | dBm | 400~520MHz |
| 21 | 21.3 | 21.5 | 830~945MHz | ||
| Receiving sensitivity | -116 | -118 | -120 | 868MHz@GFSK DR=1.2Kbps,Δf=+/-35KHz | |
| -133 | -136 | -139 | 868MHz@Lora BW=125KHz，SF=12，CR=4/5 | ||
| Harmonic | 0 | -38 | 433.92MHz，2~6harmonics | ||
| 0 | -43 | 470MHz，2~6 harmonics | |||
| 0 | -37 | 868MHz，2~6 harmonics | |||
| 0 | -40 | 915MHz，2~6 harmonics | |||
| Frequency error | -0.434 | 0 | 0.434 | KHz | 433.92MHz |
| -0.915 | 0 | 0.915 | 915MHz | ||
| Transmission rate | 0.6K~300Kbps@FSK | ||||
| 0.018K~62.5Kbps@ LoRaTM | |||||
| Modulation method | FSK, GFSK, MSK, GMSK, LoRaTM，OOK | ||||
| Data interface | SPI | ||||
| Antenna interface | Need to weld external antenna | ||||
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- Q & A
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: Where is the origin of Elecbee products? Are they certificated?2023-03-03
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Answer:
Elecbee has long-term cooperation agreements with the OEM factories in China. So that we are able to reduce the intermediate channel cost, and help you save money. Our products are all made strictly according to the relative global standard, to ensure the products have good compatibility and excellent quality.
2023-03-03
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: What forms of payment do you accept?2023-03-03
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Answer:
Our main payment methods include Paypal, Credit Cards, Debit Cards, Bank Transfer, and more to discover. Please choose the payment methods in your favor.
2023-03-03
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: When will you arrange shipment?2023-03-03
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Answer:
After confirming receipt of your payment. We will arrange the delivery as soon as possible and upload the courier number to the website for you to track.
2023-03-03
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: How to exchange or return?2023-03-03
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Answer:
1. You can apply to return within 30 days after receipt of the goods. Please make sure the outside package is intact, and the product is in its original condition. We will arrange your refund according to the relevant provisions once the package is received.
2. Return process: You Apply for a Return - Approve the Return - Arrange a Return - Receive the Products and make Inspection - We arrange a Refund;
3. We will bear the freight charges for returns caused by us, for instance, the quality problem. As to returns caused by the buyer, the buyer should be responsible for the shipping fee.
2023-03-03
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