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 Eason wireless module

NB-IOT YL-300T

Chip solution :MT2625
carrier frequency All China Netcom
Transmitting power :23dBm
Communication distance : see the specification for details
Product size : see the specification for details
communication interface :TTL
Product introduction Yl-300t is a standard communication module of nb-iot, which can directly communicate with the base station of communication operators. It can customize NB module with positioning function to report positioning information in real time. It supports a variety of IOT platform protocols. All Netcom mode, convenient access to the three major operator networks, support TCP / UDP communication, ultra-small size, a variety of sleep and wake-up mechanisms, support HTTP text transmission protocol and mqtt message subscription service.

 Nb-iot wireless module yl-300t Nb-iot wireless module


technical parameter Parameter value
Power supply scope 2.2V—3.6V
Power saving current Support two low power consumption modes: PSM & 40ua and edrx & 12ua
Support agreement Support 3GPP R13 / R14 protocol
Support frequency band B1/B2/B3/B5/B8/B11/B12/B13/B17/B18/B19/
B20/B21/B25/B26/B28/B31/B66/B70/B71
Data bandwidth Theoretical data UL 20 Kbps / dl 25 kbps
Transmitting power 23dBm
SIM card interface Support SIM card 1.8V, 3.0V
data format UTP and TCP are supported.
RF output 50Ω
Firmware update Support serial port upgrade.
Stable range The conventional temperature is - 35 ℃ ~ 75 ℃, and the extended temperature is - 40 ℃ ~ 85 ℃

Electrical characteristic parameter value (module power consumption)
pattern Test conditions minimum value average value Maximum
IDLE VBAT=3.3V,DRX CYCLE=2.56s - 233uA -
ACTIVE VBAT=3.3V,DRX CYCLE==2.56s - 288uA -
PSM VBAT=3.3V - 3.3uA -
eDRX VBAT=3.3V,DRX CYCLE=81.92s - 66.2uA -
POWER OFF VBAT=3.3V - 2.3uA -
DEEP SLEEP VBAT=3.3V - 3.2uA -
LIGHT SLEEP VBAT=3.3V - 49uA -

Electrical characteristic parameter value (absolute maximum rated parameter)
name explain minimum value Recommended value Maximum
VBAT working voltage 2.2V 3.3V 3.63V
VIO18 Digital IO port power supply 1.7V 1.8V 1.9V
IDDPP peak current -0.3 - 1A

Electrical characteristic parameter value (digital interface characteristic)
name explain minimum value Typical value Maximum
VIL Output low level 0V - 0.7V
VIH Out of high level 1.62V 1.8V 1.98V
VOL Output low level 0V - 0.3V
VOH Output high level 1.62V 1.8V 1.98V




 


Pin definition and Description:

Pin symbol Pin function Voltage value
UART0_ TX UART0 data output pin, connected to user's input pin 1.8V
UART0_ RX UART0 data input pin, connected to the user's output pin 1.8V
SPI_ CS SPI chip selection pin 1.8V
SPI_ MISO SPI main in / out pin 1.8V
SPI_ MOSI SPI main out / in pin 1.8V
SPI_ SCK SPI clock pin 1.8V
UART1_ CTS Uart1 clear transmit pin 1.8V
UART1_ RTS Uart1 ready to receive pin 1.8V
UART1_ TX Uart1 data output pin, connected to user's input pin 1.8V
UART1_ RX Uart1 data input pin, connected to user's output pin 1.8V
SLEEP_ EN Module sleep enable pin 1.8V
SYSRSTB System restart 1.8V
VIO18 1.8V output voltage pin 1.8V
PWRKEY Boot key 0—3.6V
RTC_ EINT Internal clock interrupt pin, pull down to exit PSM mode 1.8V
VSIM Sim power pin, output by module 1.8V/3V
SIM_ SCLK Sim clock pin, clock signal output by the module 1.8V/3V
SIM_ SIO Sim data pin, bidirectional signal 1.8V/3V
SIM_ SRST Sim reset pin, reset signal output by the module 1.8V/3V
SIM_ DET Sim pin detection 1.8V/3V
STATUS Module status 1.8V
GND Ground, analog signal ground  
GND Ground, analog signal ground  
NC nothing  
GND Ground, RF signal ground  
GND Ground, RF signal ground  
ANT antenna  
GND Ground, RF signal ground  
GND RF signal, ground  
GND Ground, analog signal ground  
NC nothing  
MD_ GPIO0 Universal IO port 0 pin 1.8V
MD_ GPIO1 Universal IO port 1 pin 1.8V
I²C0_ SCL Clock pin of I? C0 1.8V
I²C0_ SDA Data pin of I? C0 1.8V
AP_ READY Reserved IO port pin 1.8V
ADC0 Analog to digital converter pin 1.4V
NC nothing  
VBAT Power Supply 2.2V—3.6V
VBAT Power Supply 2.2V—3.6V


Download category Download link
Product description NB wireless module yl-300t product manual


application area
Intelligent smoke detector
Automatic centralized meter reading system for water, electricity, gas and heating meters
Information collection of water conservancy, oil field, mine and meteorological equipment
Street lamp control, power grid monitoring, wind solar complementary system
Mobile positioning device