Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual
Last modified by Karry Zhuang on 2025/03/06 16:34
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... ... @@ -41,21 +41,17 @@ 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: 6uA@3.3v46 +** Idle: 32mA@12v 47 47 48 48 * 49 -** 20dB Transmit: 130mA@3.3v49 +** 20dB Transmit: 65mA@12v 50 50 51 51 **Interface for Model:** 52 52 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 53 +* RS485 54 +* Power Input 7~~ 24V DC. 59 59 60 60 **LoRa Spec:** 61 61 ... ... @@ -64,16 +64,19 @@ 64 64 ** Band 2 (LF): 410 ~~ 528 Mhz 65 65 * 168 dB maximum link budget. 66 66 * +20 dBm - 100 mW constant RF output vs. 63 +* +14 dBm high efficiency PA. 67 67 * Programmable bit rate up to 300 kbps. 68 68 * High sensitivity: down to -148 dBm. 69 69 * Bullet-proof front end: IIP3 = -12.5 dBm. 70 70 * Excellent blocking immunity. 68 +* Low RX current of 10.3 mA, 200 nA register retention. 71 71 * Fully integrated synthesizer with a resolution of 61 Hz. 72 -* LoRa modulation. 70 +* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation. 73 73 * Built-in bit synchronizer for clock recovery. 74 74 * Preamble detection. 75 75 * 127 dB Dynamic Range RSSI. 76 -* Automatic RF Sense and CAD with ultra-fast AFC. 74 +* Automatic RF Sense and CAD with ultra-fast AFC. 75 +* Packet engine up to 256 bytes with CRC. 77 77 78 78 == 1.3 Features == 79 79