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 Eason wireless module

NB_ IOT debugging Kit

Chip solution :NB-IoT
carrier frequency : see the specification for details
Transmitting power :23dBm
Communication distance : see the specification for details
Product size :18*16*2.2
communication interface : see the specification for details
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.

Product overview
Yl-300t is a standard communication module of nb-iot, which can directly communicate with the base stations 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.
Onenet China Mobile Internet of things open platform
Message queuing telemetry transmission:
An instant messaging protocol developed by IBM may become an important part of the Internet of things. The protocol supports all platforms and can connect almost all connected objects to the outside world. It is used as a communication protocol for sensors and actuators (such as connecting houses via Twitter)
Hypertext Transfer Protocol:
One of the most widely used on the Internet Discussion on network transmission All www files must comply with this standard. HTTP was originally designed to provide a way to publish and receive HTML pages.
Support multiple working states:
? connected
The module is in this state after registering and accessing the network, and can send and receive data. If there is no data interaction for more than a period of time, it will enter the idle mode, and the time can be configured
2 idle
Data can be sent and received, and the received downlink data will enter the connected state. When there is no data interaction for more than a period, it will enter the PSM mode, and the time can be configured. Idle state can be configured to execute DRX or edrx mode
2. Discontinuous reception (DRX)
Discontinuous reception, discontinuous reception mode. High delay requirements for downlink services, such as street lights.
2. Extended discontinuous reception (edrx)
Extended idle mode DRX. There are high requirements for downlink service delay. Messages can be cached or sent immediately according to whether the device is in sleep state, such as intelligent wearable.
? PSM (energy saving mode)
In this mode, the terminal turns off the transceiver and does not monitor the paging on the wireless side. Therefore, although it is still registered in the network, the signaling is not reachable, the downlink data cannot be received, and the power is very low.


technical parameter Parameter description
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 158 Kbps / dl 126 kbps
Transmitting power 23dBm
SIM card interface Support SIM card 1.8V, 3.0V
data format Support UTP and TCP
RF output 50Ω
Firmware update Support serial port upgrade
Stable range The conventional temperature is - 35 ℃ ~ 75 ℃, and the extended temperature is - 40 ℃ ~ 85 ℃
 
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 -
 
Absolute maximum rated parameters
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
 
Digital interface features
name explain minimum value Typical value Maximum
VIL Input low level 0V - 0.7V
VIH Input 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
 
ESD protection
ESD protection should be paid attention to in the production and assembly of modules to avoid damage caused by static electricity. The ESD performance parameters of the module are as follows
Pin Contact discharge Air discharge
VBAT ±4KV ±8KV
GND ±4KV ±8KV
ANT ±4KV ±8KV
Note: (temperature: 25 ℃, humidity: 45%)
Pin symbol Pin function Voltage domain
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 User input pin 1 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 detection pin 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 Ground, 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
 

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Product specification Communication module yl-300t


Product application
1. Intelligent smoke detector
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
six Mobile positioning device