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 Eason wireless module

Wireless module yl-900iw

Chip solution Loratm spread spectrum modulation technology
carrier frequency : 420 ~ 450MHz (customizable)
Transmitting power :27dBm
Communication distance : up to 6-10 km
Product size :62*43*14
communication interface :TTL/RS232/RS485
Product introduction Yl-900iw is a high-performance, low-power, long-distance micro power RF wireless data transceiver module, internal automatic spread spectrum calculation and preamble CRC error correction processing, does not change any user's data and protocol, uses half duplex transparent transmission mechanism to realize wireless replacement function. The RF chip of the module is based on the spread spectrum frequency hopping technology, which surpasses the existing GFSK module in stability, anti-interference ability and receiving sensitivity. With STM low-power and high-speed processor, the data processing ability and operation speed are improved. users can flexibly configure the operating frequency, serial port rate, spread spectrum factor, effective data ratio and spread spectrum bandwidth of the module through the host computer software configured by our company, which is easy to operate and easy to use.

Product overview
Yl-900iw is a high-performance, low-power, long-distance micro power RF wireless data transceiver module, internal automatic spread spectrum calculation and preamble CRC error correction processing, does not change any user's data and protocol, uses half duplex transparent transmission mechanism to realize wireless replacement function.
The RF chip of the module is based on the spread spectrum frequency hopping technology, which surpasses the existing GFSK module in stability, anti-interference ability and receiving sensitivity. All STM processors have high speed and low power consumption.
Users can flexibly configure the operating frequency, serial port rate, spread spectrum factor, effective data ratio and spread spectrum bandwidth parameters of the module according to the actual needs through the host computer software configured by our company, which is easy to operate and easy to use.


technical parameter Parameter description
modulation mode LoRa TM Spread spectrum
working frequency 420 ~ 450MHz (customizable)
Transmitting power 27dBm
Receiving sensitivity -148dBm
Series Rate 200960bps ~ 1200BPS (default)
Interface verification 8e1 / 8o1 / 8n1 (optional)
working voltage 5 ~ 15V (output 27dBm)
Emission current ≤ 500mA (transmission power 27bm)
Receiving current  ≤25mA
Low current mode ≤1mA
sleep mode  ≤250uA
Wake up time in the air ≤2S
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 5v-15v
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
AUX Indication control pin It is used to wake up the client and prompt the module to process the status
 
Download category Download link
Product specification Micro power spread spectrum wireless module yl-900iw


Product application
1. Smart home, intelligent transportation and sensor network
2. Industrial automation, agricultural modernization and intelligent building
3. Automatic centralized meter reading system for water, electricity, gas and heating meters
4. Information collection of water conservancy, oil field, mine and meteorological equipment
5. Street lamp control, power grid monitoring, wind solar complementary system
Wireless industrial data transmission and industrial environmental monitoring
7. All other situations that require wireless communication instead of wired communication

product Links
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