3km SX1278 lora module RF-42SH for Intelligent transportation wireless transceiver module

$2.95 - $3.25
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Company Information

Shenzhen RF-Star Technology Co., Ltd.

CN Manufacturer, Trading Company, Distributor/Wholesaler
Response Time
<24h
Response Rate:
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US$ 2,000+
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Quick Details

Port: Shenzhen,China
Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram,Paypal,Trade Assurance
Supply Ability: 1000000 Piece/Pieces per Month lora module 410MHz---525MHz module
Brand Name: RF-star
Airspeed: 0.3kbps ~ 19.2kbps six adjustable
Antenna Type: IPEX
Chipset: Semtech SX1278
Place of Origin: China
TX: 20dBm
RF IC: SX1278
Supply Voltage: Power supply from 3.3V ~ 5.2V
Frequency: 410MHz---525MHz
Range: 3000M
Model Number: RF-42SH-1
Application: smart metering
Interface: UART
Packaging Detail: RF-42SH LORA module 410MHz---525MHz packed in corrugated cases with antistatic sponges
Package Preview: https://sc02.alicdn.com/kf/H7adf94aae75846ee937edf20dfaa8343K.png_640x640.png
Product Description

 

13km SX1278 lora module RF-42SH for Intelligent transportation wireless transceiver module

 

RF-42SH module is a LoRa spread spectrum module, with operating frequency of 410 MHz ~ 525 MHz, based on the Semtech SX1278. It is a wireless SPI 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-42SH is SPI, therefore, the MCU driver or a dedicated SPI debug tool is recommended to use.

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 Parameters of RF-42SH

Chipset

Semtech SX1278

Supply Power Voltage

1.8 V ~ 3.7 V, recommended to 3.3 V

Frequency

410 MHz ~ 525 MHz, typical: 433 MHz

Transmit Power

+10.0 dBm ~ +20.0 dBm

Receiving Sensitivity

-146 dBm

Number of Channels

116

Default Channel

23 (433 MHz)

Communication Interface

SPI

SPI Communication Level

3.3 V

Crystal

32 MHz

Package

SMT Packaging

Dimension

16.0 mm x 16.0 mm x (2.3 ± 0.1) mm

Module Package Mode

Half-hole interface

Operating Humidity

10% RH ~ 90% RH (no condensation)

Storage Humidity

10% RH ~ 90% RH (no condensation)

Operating Temperature

-40 ~ +85

Storage Temperature

-45 ~ +90

Air Rate @ LoRa

0.018 kbps ~ 37.5 kbps

Transmission Distance

5000 m (Test conditions: sunny weather, empty, +20 dBm, antenna gain of 5 dBi, height of above 2.5 m, air speed of 2.4 kbps)

Operating Current @ 5 V

Tx Current

101 mA @ 20 dBm

Rx Current

15.0 mA

Sleep Current

5.0 μA

 

PIn Functions

Pin NoNameTypeDescription
1PB0I/OHanging.
2PB1I/OHanging.
3PB2I/OHanging.
43V3_MCUI/OPower supply pin when the program loading, hanging.
5SWIM_MCUI/OSWIM pin when the program loading, hanging.
6GNDPGround.
7RES_MCUIReset pin, hanging.
8GNDPPower ground.
9VCCPPower supply, range from 3.3V to 5.2V.
10ENOThe serial port is pulled high before sending data and pulled low when completed.
Wake up the pin periodically, pull up when waking up.When the module sends data, it is
pulled high and pulled low when completed.
11TXDOUART TX signal.
12RXDIUART RX signal.
13S0ICooperate with S1 to determine the module’s working mode.
(No hanging, if no ground is used.)
14S1ICooperate with S0 to determine the module’s working mode.
(No hanging, if no ground is used.)
15ANTIOAntenna port.
16GNDPGround
17GNDPGround
18GNDPGround
LoRa Application

3km lora module 

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LoRa 410MHz~525MHz

LoRa 433 MHz