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LoRa32u4 II is a light and low consumption board based on the Atmega32u4 and HPD13 915MHZ LoRA module and an USB battery charging circuit. Ideal for creating long range wireless networks that can exceed 2.4 GHz 802.15.4 and similar, it is more flexible than Bluetooth LE, does not require high power unlike WiFi and offers long range. HPD13: Receive current: 10 ~ 14mA Interface Type: SPI Operating temperature: -40 ° C to + 85 ° C Digital RSSI function Automatic frequency correction Automatic gain control Radio wake-up function Low voltage detection and temperature sensor Fast wakeup with frequency hopping Highly configurable packet handlers 824-960MHz GSM IPX IPEX 1.13 UF.L Antenna Built-in 2DBi,total 8cm Standing wave ratio / S.W.R.≤2.0 Impedance: 50Ω Max Input power 50W RF Cable: RG1.13 cablePackage includes: 1 X LoRa32U4 II Lora development board1 X IPEX 1.13 UF.L Antenna 1 X JST-PH2.0MM-2P plug cable