- CH9102 Chip
- 915MHz Operating frequency
- Add the SMA and TP4054 to the board,which make it can do more things.
- In terms of the power switch, we have changed the switching interaction mode.
- The added SMA antenna can enhance signal transmission.
Specification:
- Working Voltage:1.8~3.7v
- Acceptable Current：10~14mA
-
Transmit Current:
- 120mA@+20dBm
- 90mA@+17dBm
- 29mA@+13dBm
- Operating frequency: 868M/915MHz
- Transmit power: +20dBm
-
Receive Sensitivity:
- -139dBm@LoRa &62.5Khz&SF=12&146bps
- -136dBm@LoRa &125Khz&SF=12&293bps
- -118dBm@LoRa &125Khz&SF=6&9380bps
- -123dBm@FSK&5Khz&1.2Kbps
- Frequency Error: +/-15KHz
- FIFO Space: 64Byte
-
Data Rate:
- 1.2K~300Kbps@FSK
- 0.018K~37.5Kbps@LoRa
- Modulation Mode: FSK, GFSK, MSK, GMSK, LoRa TM, OOK
- Interface Form: SPI
-
Sleep Current:
- 0.2uA@SLEEP
- 1.5uA@IDLE
- Operating Temperature: -40℃- +85℃
Features :
- CH9102 Chip
- 915MHz Operating frequency
- Add the SMA and TP4054 to the board, making it do more things.
- Regarding the power switch, we have changed the switching interaction mode.
- The added SMA antenna can enhance signal transmission.
Digital RSSI function
- Automatic frequency correction Automatic gain control
- wake-up and frequency hopping Highly configurable data packet handler
- SMA Antenna TP4054
- Paxcounter Testinggithub.com/cyberman54/ESP32-Paxcounter
- GitHubgithub.com/LilyGO/ESP32-Paxcounter
- GitHubgithub.com/Xinyuan-LilyGo/TTGO-LoRa-Series