二次开发SPI-蓝牙模块_WiFi模块_LoRa模块_4G模块_GPS模块_深圳大夏龙雀科技有限公司

Beacon
Mini size beacon Long Battery Life beacon Card-style beacon Wristband Beacon Indoor positioning solution
Bluetooth module
Bluetooth Development Module Low -power Bluetooth BLE Classic Bluetooth SPP+BLE Long -distance Bluetooth Multi -connecting bluetooth Automatic reconnection Bluetooth Multilink central Master module Master-slave integration Bluetooth audio transmission module
WIFI module
Low power consumption wifi Bluetooth+WIFI
LORA module
5KM Communication distance 10KM Communication Distance SX1262 LLCC68 LORAWAN 8KM Communication distance
Serial converter
Bluetooth conversion 485 Bluetooth conversion USB Bluetooth conversion RJ45 Bluetooth conversion 232 Lora conversion 485
GPS MODULE
GNSS positioning module
NFC Module
NFC Read
2.4Ghz Module
2.4Ghz Module

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DX-LR20-900M22S

芯片型号：LLCC68芯片

通信接口：SPI

模块尺寸：20mmx14mmx2.3mm

传输距离：空旷传输距离8km

发射功率：0~+22dBm

通信频段：850-930MHZ

technical manual Taobao samples

Overview Features

performance parameter

Pin Definition

Application scenarios

Series Products

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