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 Eason wireless module

Wireless data transmission module yl-500il

Chip solution : GFSK modulation mode
carrier frequency : 420 ~ 450MHz (customizable)
Transmitting power :27dBm
Communication distance :3Km~4.5Km
Product size :59*39*4mm
communication interface :TTL/RS232/RS485
Product introduction Yl-500il is a wireless module with high stability, low power consumption and high cost performance, and uses GFSK modulation mode to increase the stability of wireless data. Yl-500il is a transparent transmission module, which can transmit data wirelessly without changing any data and protocol of customers. Yl-500il in terms of stability, the software has done a lot of detection measures to ensure that the module in any case is not likely to crash or not work, fully in line with the industrial design standards. Compared with the general module, the module has the characteristics of small size, high sensitivity, long transmission distance, high communication rate, automatic communication protocol conversion and data transmission control. Users can flexibly configure the serial rate, working channel, transmission power, communication rate and other parameters of the module according to their own needs through the host computer software configured by our company.

Product overview
Yl-500il is a wireless module with high stability, low power consumption and high cost performance, and uses GFSK modulation mode to increase the stability of wireless data. Yl-500il is a transparent transmission module, which can transmit data wirelessly without changing any data and protocol of customers. Yl-500il in terms of stability, the software has done a lot of detection measures to ensure that the module in any case is not likely to crash or not work, fully in line with the industrial design standards. Compared with the general module, the module has the characteristics of small size, high sensitivity, long transmission distance, high communication rate, automatic communication protocol conversion and data transmission control. Users can flexibly configure the serial rate, working channel, transmission power, communication rate and other parameters of the module according to their own needs through the host computer software configured by our company.


technical parameter Parameter description
modulation mode GFSK
working frequency 420 ~ 450MHz (customizable)
Transmitting power 27dBm
Receiving sensitivity -121dBm@1.2kbs
Series Rate 1200bps~115200bps
Interface verification 8e1 / 8o1 / 8n1 (optional)
working voltage 5 ~ 12V (output 27dBm)
Emission current ≤ 500mA (transmission power 27dBm)
Receiving current ≤30mA
Client wake up time Instant wake up
working temperature -40 ~ + 80 ℃ (industrial grade)
Working humidity 10% - 90% relative humidity, no condensation




Pin symbol Pin function Pin description
VCC Power Supply Power supply range 4.5-5.5v (3.0-3.6v) needs to be customized
GND Power ground 0V
TXD Data output pin Level data output pin, connected to user's RXD
RXD Data input pin Level data input pin, connected to user's TXD
SET Sleep control foot In sleep mode, it is used to control whether to sleep or not
 

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Product specification Low power wireless data transmission module YL-500IL


Product application
1. Wireless queuing equipment, hotel electronic door lock, biometric access control management system
two Automatic control of medical and electronic instruments
three Intelligent teaching equipment, infant monitoring, medical ward call system
four Intelligent control of home appliances and lighting
five Anti theft alarm smart card, remote detection of railway locomotive
six Water, electricity, gas, heating automatic meter reading charging system or reactive power compensation and power grid monitoring
seven Wireless conference voting, scoring system, PDA terminal, wireless ordering system
8. LED screen wireless transmission of text, pictures and wireless control
9. Electronic weighing instrument, wireless hanging scale, vehicle monitoring and aging equipment detection
10. Wireless transmission of industrial equipment data and industrial environmental monitoring
11. Video monitoring pan tilt control, access control card reader
12. Meteorological / oil well / water conservancy equipment information collection and natural environment detection
13. Attendance location system for underground personnel; gas detection and alarm; regional positioning of important assets and personnel such as instruments, goods, medical equipment, etc.; supply chain management of logistics
Solar photovoltaic control of wind power inverter, 14