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Product upgrade changes:
1. Add reverse battery protection module
More information: https://github.com/Xinyuan-LilyGO/LilyGO-T-Beam
Product Features:
T-SX1262 wireless transceiver module, using Semtech SX1262 LORA RF transceiver chip design, works in the 868/915MHz ISM frequency band, integrates a highly stable TCXO 32MHz crystal oscillator, half-duplex transceiver module, power up to +22dBm, to -139dBm receiving sensitivity. Automatic switching of sending and receiving, isolation of internal sending and receiving channels, advanced LORA spread spectrum communication technology, with strong anti-interference and privacy, can realize long-distance wireless data sending and receiving.
ESP32:
Lastest ESP32 Version: REV1
WIFI
Bluetooth
4MB Flash
8MB PSRAM
3D Antenna
LORA:
Working voltage: 1.8~3.7V
Receiving current: 4.2~8.2mA
Working frequency: 868M, 915M
Transmitting power: +22dBm
Frequency error: +/[email protected] crystal
FIFO space: 256Byte
Data rate: 0.6K～[email protected], 0.018K～[email protected] LoRaTM
Modulation method: FSK, GFSK, MSK, GMSK, LoRaTM, OOK
GPS:
GPS modules NEO-M8N, 3V-5V power supply Universal
Destined module with ceramic antenna, signal super
Save the configuration parameter data EEPROM Down
With data backup battery
There are LED signal indicator
Default Baud Rate: 9600
Power:
Power Supply Input USB 5V/1A
Charging current 500mA
Battery Input 3.7-4.2V
Charge IC AXP192
| 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/ | 520 | MHz | 400~520MHz |
| 470 | |||||
| 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 | [email protected] DR=1.2Kbps,Δf=+/-35KHz | |
| -133 | -136 | -139 | [email protected] 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 | [email protected] | ||||
| [email protected] LoRaTM | |||||
| Modulation method | FSK, GFSK, MSK, GMSK, LoRaTM，OOK | ||||
| Data interface | SPI | ||||
| Antenna interface | Need to weld external antenna | ||||
Package includes:
868MHz Version:
1 X T-Beam SX1262 868Mhz V1.1
1 X 868MHz Antenna
2 X Pin
3 X Screw Washer
915MHz Version:
1 X TTGO T-Beam SX1262 915Mhz
1 X 915MHz Antenna
2 X Pin
3 X Screw Washer
Richard (verified owner) –
Good quality.
Richard –
Kai (verified owner) –
The product is firmly packed.
Kai –