SX1277中文资料137 MHz to 1020 MHz Low Power Long Range Transceiver数据手册Semtech规格书

描述 Description

The SX1276/77/78/79 transceivers feature the LoRaTM long range modem that provides ultra-long range spread spectrum communication and high interference immunity whilst minimising current consumption.

特性 Features

·LoRaTM Modem 168 dB maximum link budget
·+20 dBm - 100 mW constant RF output vs. V supply
·+14 dBm high efficiency PA
·Programmable bit rate up to 300 kbps
·High sensitivity: down to -148 dBm
·Bullet-proof front end: IIP3 = -11 dBm
·Excellent blocking immunity
·Low RX current of 9.9 mA, 200 nA register retention
·Fully integrated synthesizer with a resolution of 61 Hz
·FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation
·Built-in bit synchronizer for clock recovery
·Preamble detection
·127 dB Dynamic Range RSSI
·Automatic RF Sense and CAD with ultra-fast AFC
·Packet engine up to 256 bytes with CRC
·Built-in temperature sensor and low battery indicator

应用 Application

·Automated Meter Reading
·Home and Building Automation
·Wireless Alarm and Security Systems
·Industrial Monitoring and Control
·Long range Irrigation Systems