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High Power 433MHz LoRa Transceiver Module with SX1278 Chip
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Product Details
Brand Name: | DreamLNK | Place of Origin: | China | Model Number: | DL-SX1278PA |
Product Description
433MHz LoRa Transceiver Module with SX1278 Chip
DL-SX1278PA is a high power 433Mhz LoRa Transceiver Module, which was developed by DREAMLNK based on Semtech's RF chip SX1278. For long-range transmission and better coverage concern, a power amplifier (PA) and a low noise amplifier (LNA) are integrated in this LoRa module, which improves its output power (up to 1W) by more than three times of the original SX1278 chip. Meanwhile, its receiving sensitivity has been greatly improved, with its sufficient link budget and advanced LoRa™ spread spectrum technology, this LoRa Module can achieve a longer transmitting distance.
The output power can be configured by software, and the maximum output power of the module can be up to 30dBm. Compare with traditional modulation (FSK/GFSK) technology, this LoRa™ Modulation technology has obvious advantages in receiving current, receiving sensitivity, transmitting power, receiving rate range and anti-interference ability. It solves the problems of Transmission Distance, Anti-interference, Signal Blind Angle and Power Consumption that the traditional modulation cannot take into account at the same time.
With the help of LoRa™ Modulation technology, this DL-SX1278PA RF Transceiver Module can achieve Max. -149dBm@LoRa receiving sensitivity. It has more concentrated power density and better stability, with also many other advantages, such as low power consumption, long transmission distance, strong anti-interference performance, high confidentiality and strong concealment
Features
● Support multiple modulation methods: LoRa™, FSK, GFSK, MSK, GMSK, OOK,
● Frequency range (chip supported): 137~525MHz;
● Recommended frequency (module itself): 410~510MHz
● The working voltage is 5V, the output power can up to 30dBm (1W), and the maximum instantaneous working current is 640mA.
● Support fast Channel Activity Detection (CAD);
● Low power consumption under receiving state, and the receiving current is 17mA
(with CAD function, it can effectively reduce the overall current consumption, suitable for battery powered applications);
● Sleep current: 1uA;
● Supports fast frequency hopping, CRC hardware verification, and interrupt DIOx mapping;
● Theoretical sensitivity of the chip: -149dBm@LoRa;
● Industrial grade standard design, support long-term use at -30~85 C;
● Spreading factor supported: SF6/SF7/SF8/SF9/SF10/SF11/SF12;
● Bandwidth supported: 7.8/10.4/15.6/20.8/31.25/41.7/62.5/125/250/500kHz
Download Center
DL-SX1278PA Specification V1.0
Technical Parameter
Parameter | Min. | Typical | Max. | Unit | Remarks |
Operating conditions | |||||
Working voltage | 3.3 | 5 | 5.5 | V | To ensure maximum chip power, stable voltage should ≥ 4.7V |
IO voltage range | 3.3 | 3.9 | V | >3.9V may damage the chip | |
Current consumption | |||||
Receiving current | 16 | 17 | 20 | mA | |
Transmission current | 570 | 600 | 640 | mA | @29.5dBm Instantaneous current at 5V operating voltage |
Standby current | <10 | uA | Save by register | ||
RF parameters | |||||
Recommended Frequency (Ensure best performance) | 410 | 433/470 | 510 | MHz | License-free ISM frequency band, also the best matching frequency band of the module |
Transmitting power | 27.0 | 29.5 | 30.5 | dBm | @433M Max. Transmitting Power |
LoRa Receiving sensitivity | -140 -137 -122 |
-142 -139 -124 | -144 -141 -126 | dBm |
@0.49kbps (SF=11 BW=3 20.8 CR4/5) @0.179kbps (SF=11 BW=5 41 CR4/5) @5.469kbps (SF=7 BW=7 125 CR4/5) |
FSK Rate range | 1.2 | - | 300 | Kb/s | Initial software RF configuration |
LoRa Rate range | 0.018 | - | 37.5 | Kb/s | Initial software RF configuration |
Typical application:
● Wireless automatic meter reading (water meter, electric meter, gas meter)
● Ultra-long distance data communication
● Smart home system
● Intelligent security monitoring
● Smart building
● Industrial controllers, sensors
● Agricultural automation solutions
● Intelligent parking system
● Container information management
● Automotive industry applications
● Supply chain logistics
DreamLNK is a high-tech enterprise specializing in ISM band micropower wireless communication technology, providing different kinds of wireless modules and one-stop IoT solutions, including 433/868/915MHz wireless modules, 2.4G wireless Modules, FSK Transceiver Modules, LoRa Modules, Antennas, Remote Controls, and customized wireless RF solutions. Welcome to inquire (james@dreamlnk.com) !
Contact Us
- Shenzhen DreamLNK Technology Co., Ltd
- Contact nameJames Wu
- Phone86-755-29369047
- AddressBao'an Shenzhen,Guangdong
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