RF-43UH
Shenzhen RF-star Technology Co., Ltd.
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1 Device Overview
1.1 Description
RF-43UH module is a LoRa spread spectrum module, with operating frequency of 410 MHz ~ 525 MHz, based on the
Semtech SX1278. It is a wireless transceiver module with 3.3 V TTL level output. RF-star LoRa module features with
ultra-long range spread spectrum communication, concentrated power density, high interference immunity ability,
confidentiality, and significantly lower current consumption. The communication interface of RF-43UH is UART.
1.2 Key Features
•
LoRa
TM
Modem
•
168 dB maximum link budget
•
RF output power: +30 dBm
•
+14 dBm high efficiency PA and an integrated PA
•
Programmable bit rate up to 300 kbps
•
High sensitivity: down to -149 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
•
(G)FSK, (G)MSK, LoRa
TM
and OOK modulation
•
Built-in bit synchronizer of 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
•
Power supply: 3.3 V ~ 5.2 V
•
Transmission distance: up to 8000 m
•
Compact size: 40.3 mm x 25.0 mm
1.3 Applications
•
Automated meter reading
•
Home and building automation
•
Wireless alarm and security systems
•
Industrial monitoring and control
•
Long range irrigation system