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 Eason wireless module

RF wireless module yl-7139rf

Chip solution :AMICCOM A7139
carrier frequency :315M/433M/490M/868M/915M
Transmitting power :≤100mW(20dBm)
Communication distance : sight distance 1-2km
Product size :18.6mm*17.6mm*1.5mm
communication interface :SPI
Product introduction Yl-7139rf is a kind of radio frequency wireless module based on Amicon high performance wireless transceiver chip a7139. Integrated transmitter and receiver, single module can be transmitted and received. The module is not equipped with MCU, and provides SPI communication interface. Users do not need to understand too complex RF knowledge, and do not need to do hardware debugging, only need to debug the underlying SPI communication, and understand the meaning of the function, you can easily use this module. The company provides software, hardware secondary development technical support!

Product overview
Yl-7139rf is a kind of RF wireless module based on Amicon high performance wireless transceiver chip a7139. Integrated transmitter and receiver, single module can be transmitted and received. The module is not equipped with MCU, and provides SPI communication interface. Users do not need to understand too complex RF knowledge, and do not need to do hardware debugging, only need to debug the underlying SPI communication, and understand the meaning of the function, you can easily use this module. The company provides software, hardware secondary development technical support!


performance parameter Parameter value
transmission distance Sight distance 1-2km
Wireless solution AMICCOM A7139
modulation mode FSK / GFSK can be set
carrier frequency Optional 315m / 433M / 490m / 868m / 915m
Number of channels Set the frequency value arbitrarily within the frequency range
Data connector Stamp holes with 2.0 mm spacing
Communication protocol User defined
communication interface SPI
Programming rate 2~250 Kbps
Data flow Half duplex (can send and receive, but not at the same time)
Antenna connector Pad, impedance 50 Ω
Supply voltage 1.9-3.6V
Transmitting power ≤100mW(20dBm)
Receiving current ≤30mA;
Sensitive reception -115dBm@1000bps
Power consumption Transmit ≤ 85mA, receive ≤ 3.8ma, sleep ≤ 1.5ua
work environment -40 ℃ ~ + 85 ℃, no condensation at 10 ~ 90% relative humidity
Volume size 18.6mm*17.6mm*1.5mm
Other functions Timing wake-up, RSSI, configurable packet structure, pre synchronous signal detection, 64b FIFOs, low power detection, software frequency hopping, power on reset, built-in crystal oscillator adjustment



Pin definition and Description:

Serial number Symbol Pin function
one RFO Antenna interface
two GND Antenna ground
three NC Suspended feet
four GPIO2/IRQ Interrupt signal pin / general IO
five GPIO1 I / O interface
six SCS SPI enable
seven SCK SPI clock signal
eight SDIO SPI data signal
nine VDD DC 1.9-3.6V
ten GND Power ground
 

Download category Download link
Product description A7139 RF front end module yl-7139rf specification


application area product
Four meter centralized reading Wireless reading of water meter, electricity meter, gas meter and heat meter
Smart agriculture Irrigation control, farmland data collection, greenhouse monitoring
Smart home Wireless switch, intelligent bulb, home appliance control, electronic access control, intelligent lock
Handheld devices Order machine, hand copy machine, scanning gun, walkie talkie
Intelligent Transportation Wireless remote control of traffic lights and centralized control system of street lamps
Data transmission Electronic Kanban, LED display, oil price screen, supermarket shelf label
data acquisition Electronic weighing instrument, grain situation measurement and control, hydrology and water conservancy monitoring
Security system Wireless alarm, electronic fence, camera pan tilt control
smart city Building energy saving, HVAC control, manhole cover anti-theft monitoring, roadside or parking lot management
Medical management Elderly pager, infant monitor, medical equipment and instrument monitoring
Conference equipment Voting device, rating evaluator, responder, wireless headset speaker
asset management Positioning personnel, material monitoring equipment
Wireless sensor Wireless monitoring of temperature, humidity, pressure, water quality, liquid level, vibration and other sensors
Industrial control system PLC data transmission and automatic control
energy management Maintenance of hydropower, wind power, photovoltaic power and other substations
Wearable devices Watch, dog ring, eartag, badge, pendant