Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual
Last modified by Xiaoling on 2025/04/23 15:56
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... ... @@ -41,17 +41,21 @@ 41 41 **Hardware System:** 42 42 43 43 * STM32L072CZT6 MCU 44 -* SX1276/78 Wireless Chip 44 +* SX1276/78 Wireless Chip 45 45 * Power Consumption (exclude RS485 device): 46 -** Idle: 32mA@12v46 +** Idle: 6uA@3.3v 47 47 48 48 * 49 -** 20dB Transmit: 65mA@12v49 +** 20dB Transmit: 130mA@3.3v 50 50 51 51 **Interface for Model:** 52 52 53 -* RS485 54 -* Power Input 7~~ 24V DC. 53 +* 1 x RS485 Interface 54 +* 1 x TTL Serial , 3.3v or 5v. 55 +* 1 x I2C Interface, 3.3v or 5v. 56 +* 1 x one wire interface 57 +* 1 x Interrupt Interface 58 +* 1 x Controllable 5V output, max 55 55 56 56 **LoRa Spec:** 57 57 ... ... @@ -60,19 +60,16 @@ 60 60 ** Band 2 (LF): 410 ~~ 528 Mhz 61 61 * 168 dB maximum link budget. 62 62 * +20 dBm - 100 mW constant RF output vs. 63 -* +14 dBm high efficiency PA. 64 64 * Programmable bit rate up to 300 kbps. 65 65 * High sensitivity: down to -148 dBm. 66 66 * Bullet-proof front end: IIP3 = -12.5 dBm. 67 67 * Excellent blocking immunity. 68 -* Low RX current of 10.3 mA, 200 nA register retention. 69 69 * Fully integrated synthesizer with a resolution of 61 Hz. 70 -* FSK, GFSK, MSK, GMSK,LoRaTMand OOKmodulation.72 +* LoRa modulation. 71 71 * Built-in bit synchronizer for clock recovery. 72 72 * Preamble detection. 73 73 * 127 dB Dynamic Range RSSI. 74 -* Automatic RF Sense and CAD with ultra-fast AFC. 75 -* Packet engine up to 256 bytes with CRC. 76 +* Automatic RF Sense and CAD with ultra-fast AFC. 76 76 77 77 == 1.3 Features == 78 78