Ebyte E70-433NW30S User manual

E70-433NW30S User Manual
433MHz 1W Star Network SMD Wireless Module

Chengdu Ebyte Electronic Technology Co,;Ltd E70-433NW30S user manual
Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co,;Ltd 1
CONTENT
1. OVERVIEW .....................................................................................................................................2
1.1 INTRODUCTION ..................................................................................................................................... 2
1.2 FEATURES .................................................................................................................................................................................................2
2.SPECIFICATION AND PARAMETER ....................................................................................................... 3
2.1 LIMIT PARAMETER..................................................................................................................................................................................3
2.2 OPERATING PARAMETER ....................................................................................................................................................................... 3
3 SIZE AND PIN DEFINITION ..................................................................................................................... 4
4 CONNECT TO MCU ................................................................................................................................... 6
5 FIRMWARE TRANSMITTING MODE ..................................................................................................... 7
5.1 TRANSPARENT TRANSMISSION ............................................................................................................................................................ 7
5.2 SHORT ADDRESS TRANSMISSION ........................................................................................................................................................ 7
5.3 LONG ADDRESS TRANSMISSION ..........................................................................................................................................................7
6.DEVICE STATUS ........................................................................................................................................ 8
6.1 AUX DESCRIPTION ................................................................................................................................................................................ 8
6.2 LINK DESCRIPTION ............................................................................................................................................................................... 9
6.3 ACK DESCRIPTION .................................................................................................................................................................................9
7.OPERATING MODE ...................................................................................................................................9
DORMANT NODE ......................................................................................................................................................................................... 10
7.1.COORDINATOR MODE ..........................................................................................................................................................................10
7.2.NORMAL NODE .....................................................................................................................................................................................10
7.3.DORMANT NODE .................................................................................................................................................................................. 10
7.4 CONFIGURATION MODE ...................................................................................................................................................................... 11
7.5 MODE SWITCHING ............................................................................................................................................................................... 11
8.QUICK START .......................................................................................................................................... 11
8.1 COMMUNICATION BETWEEN NORMAL NODE AND COORDINATOR ............................................................................................ 11
9. AT COMMAND ........................................................................................................................................ 14
10. HARDWARE DESIGN ........................................................................................................................... 20
11 FAQ ..........................................................................................................................................................20
11.1 COMMUNICATION RANGE IS TOO SHORT ...................................................................................................................................... 20
11.2 MODULE IS EASY TO DAMAGE ........................................................................................................................................................21
11.3 BER(BIT ERROR RATE)IS HIGH .................................................................................................................................................... 21
12.PRODUCTION GUIDANCE ................................................................................................................... 21
12.1. REFLOW SOLDERING TEMPERATURE ...........................................................................................................................................21
12.2 REFLOW SOLDERING CURVE .......................................................................................................................................................... 22
13. E70 SERIES ............................................................................................................................................ 22
14. ANTENNA RECOMMENDATION ........................................................................................................ 22
15. PACKAGE FOR BATCH ORDER ..........................................................................................................23
REVISION HISTORY .................................................................................................................................. 24
ABOUT US ................................................................................................................................................... 24

Chengdu Ebyte Electronic Technology Co,;Ltd E70-433NW30S user manual
Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co,;Ltd 2
1. Overview
1.1 Introduction
E70-433NW30S is a star networking module, operating in
the 433MHz frequency band, with a transmission power of 1W;
The module integrates the host (coordinator) and terminal, and has
two transmission modes of long distance and high speed. A host
(coordinator) supports up to 200 nodes to communicate with it. All
operation configurations adopt the industry standard AT
instructions, greatly simplifying user operations, and is applicable to a variety of wireless communication networking
scenarios.
E70-433NW30S is the first 433MHz wireless module in China that can support 200 nodes concurrent. It solves a
series of problems caused by the traditional 433MHz wireless modules which can not send data packet concurrently.
After it can be concurrent, users do not need to expend energy to deal with complex networking protocols, which greatly
reduces the development difficulty of customers and shortens the development cycle of users; Its protocol ensures the
stability and packet acquisition rate of the entire wireless communication system.
E70-433NW30S strictly follows design standards of FCC, CE, CCC and meets various RF certification
requirements for exporting.
1.2 Features
Support CSMA/CA, which can avoid collision effectively.
Maximum 200 nodes concurrent, no need to deal with complicated protocol for polling.
Adopting AES128 data encryption, Ensure the reliability of data packets.
Supports DSSS technology, like LoRa, better than GFSK.
Nodes support low power consumption mode, suitable for battery supplied applications；
Communication distance is up to 6.5km in certain condition.
Maximum transmission power of 1W, multi-level adjustable TX power by software；
Support the global license-free ISM 433MHz band；
Support air date rate of 5kbps～50kbps；
Support 3.3V~5.5V power supply, power supply over 5.0V can guarantee the best performance；
Industrial grade standard design, support -40 ~ 85 °C for working over a long time；
IPEX access point, stamp hole is optional, facilitate user secondary development, facilitate integration.

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1.3 Application
Home security alarm and remote keyless entry；
Smart home and industrial sensors；
Wireless alarm security system；
Building automation solutions；
Wireless industrial-grade remote control；
Health care products；
Advanced Meter Reading Architecture(AMI)；
Automotive industry applications.
2. Specification and parameter
2.1 Limit parameter
Main parameter
Performance
Remarks
Min.
Max.
Power supply（V）
0
5.5
Voltage over 5.5V will cause permanent
damage to module
Blocking power（dBm）
-
10
Chances of burn is slim when modules
are used in short distance
Operating temperature（℃）
-40
85
2.2 Operating parameter
Main parameter
Performance
Remark
Min
Typ.
Max.
Operating voltage（V）
3.3
5.0
5.5
5 V is recommended
Communication level（V）
3.3
For 5V TTL, it has a risk of burning
down
Operating temperature（℃）
-40
-
85
Industrial design
Operating frequency（MHz）
431
-
446.5
Support ISM band
Power
consumption
Transmitting current [mA]
610
Instant power consumption
Receiving current [mA]
13
Turn-off current [μA]
2
Software is shut down
Max Tx power（dBm）
29.6
30.0
31.3
Receiving sensitivity（dBm）
-109
-110
-111
Air data rate is 5kbps
Air data rate（bps）
5k
5k
50k
Controlled via user’s programming

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Main parameter
Description
Remark
Distance for reference
6500m
Test condition：clear and open area, antenna gain: 5dBi，
antenna height: 2.5m，air data rate: 5kbps
TX length
Transmission mode specification
See transmission mode for details
Buffer
512 Byte
A single packet may not exceed 128 bytes
Modulation
GFSK
Communication interface
UART
Package
SMD
Connector
1.27mm
Size
24*38.5mm
Antenna
IPX/Stamp hole
50 ohm impedance
3 Size and pin definition
No.
Pin item
Pin direction
Application
1
GND
ground
Ground electrode
2
GND
ground
Ground electrode
3
GND
ground
Ground electrode

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4
NC
Reserved pin
Reserved, to be floated
5
NC
Reserved pin
Reserved, to be floated
6
NC
Reserved pin
Reserved, to be floated
7
NC
Reserved pin
Reserved, to be floated
8
NC
Reserved pin
Reserved, to be floated
9
NC
Reserved pin
Reserved, to be floated
10
NC
Reserved pin
Reserved, to be floated
11
NC
Reserved pin
Reserved, to be floated
12
NC
Reserved pin
Reserved, to be floated
13
NC
Reserved pin
Reserved, to be floated
14
NC
Reserved pin
Reserved, to be floated
15
NC
Reserved pin
Reserved, to be floated
16
LINK
output
For indicating the current network connection status of the module, it can be
configured as drain open circuit output or push-pull output. For details, please refer
to the parameter setting, a 1K protection resistor shall be connected in series
externally (it can be suspended).
17
GND
Ground
Ground electrode
18
NC
Reserved pin
Reserved, to be floated
19
NC
Reserved pin
Reserved, to be floated
20
NC
Reserved pin
Reserved, to be floated
21
NC
Reserved pin
Reserved, to be floated
22
TCKC
Input
JTAG TCKC
23
TMSC
Input
JTAG TMSC
24
RESET
Input
Module reset pin, low level effective
25
NC
Reserved pin
Reserved, to be floated
26
M0
Input
M1M0 The four working modes of the module are determined by the joint
combination. When in use, a 1K protection resistor shall be connected in series
externally, and a 1M pull-up resistor shall be added (it shall not be suspended,
otherwise, it can be grounded).
27
M1
Input
M1M0 The four working modes of the module are determined by the joint
combination. When in use, a 1K protection resistor shall be connected in series
externally, and a 1M pull-up resistor shall be added (it shall not be suspended,
otherwise, it can be grounded).
28
VCC
Power supply：3.3V ~ 5.5V DC
29
VCC
Power supply ：3.3V ~ 5.5V DC
30
GND
Ground
Ground electrode
31
GND
Ground
Ground electrode
32
ACK
Output
The user indicates the data transmission result of the module, which is pulled down
before transmission and pulled up after success. It can be configured as drain open
circuit output or push-pull output. When it is used, a 1K protection resistor should be
connected externally in series (it can be suspended).
33
NC
Reserved pin
Reserved, to be floated

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34
NC
Reserved pin
Reserved, to be floated
35
NC
Reserved pin
Reserved, to be floated
36
RXD
Input
TTL UART inputs, connects to external (MCU, PC) TXD output pin. Can be
configured as open-drain or pull-up input.
37
TXD
Output
TTL UART outputs, connects to external RXD (MCU, PC) input pin. Can be
configured as open-drain or push-pull output
38
AUX
Output
The user indicates the network access status of the module, and the user notifies the
external MCU, which can be configured as drain open circuit output or push-pull
output. When using, a 1K protection resistor needs to be connected in series
externally (can be suspended)
39
NC
Reserved pin
Reserved, to be floated
40
NC
Reserved pin
Reserved, to be floated
41
NC
Reserved pin
Reserved, to be floated
42
TX_EN
Output
Internal MCU control PA pin, high level effective, connected to pin 45
43
RX_EN
Output
Internal MCU control LNA pin, high level effective, connected to pin 44
44
RX_EN
Input
Internal LNA enable pin, high level effective, connected to pin 43
45
TX_EN
Input
Internal PA enable pin, high level effective, connected to pin 42
46
GND
Ground
Ground electrode
47
GND
Ground
Ground electrode
48
ANT
Antenna (50 ohm impedance)
4 Connect to MCU
No.
Description（the figure above takes STM8L MCU as an example）
1
The UART module is TTL level., please collect with MCU with TTL level.
2
For some MCU works at 5VDC, it may need to add 4-10K pull-up resistor for the TXD & AUX pin.

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5 Firmware Transmitting mode
5.1 Transparent transmission
Summary
When the coordinator is set to transparent transmission, the coordinator will send broadcast message. At this time, all non-dormant nodes in the entire
network will receive data.
5.2 Short address transmission
Format
Summary
Coordinator short address transmission format: short address + valid data; 00 00 or FF FF are broadcast address
Coordinator
HEX
Send：00 01 AA BB CC
Node A address 00 01
HEX
Receive：AA BB CC
Node B address 00 02
HEX
Receive: None
Node C address 00 03
HEX
Receive: None
Coordinator
HEX
FF FF AA BB CC
Node A address 00 01
HEX
AA BB CC
Node B address 00 02
HEX
AA BB CC
Node C address 00 03
HEX
AA BB CC
5.3 Long address transmission
Format
Summary
Coordinator long address transmission format: long address + valid data
00 00 00 00 00 00 00 00 or FF FF FF FF FF FF FF FF are broadcast address;
Coordinator
HEX
Send：0A 01 AA 45 65 13 12 44 AA BB CC
Node A address:
0A 01 AA 45 65 13 12 44
HEX
Receivie：AA BB CC
Node B address：
0D 55 18 42 1A 27 29 64
HEX
Receive: None
Node C address:
A4 78 02 46 B5 1C 5A 02
HEX
Receive: None
Coordinator
HEX
FF FF FF FF FF FF FF FF AA BB CC

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Node A address:
0A 01 AA 45 65 13 12 44
HEX
AA BB CC
Node B address:
0A 01 AA 45 65 13 12 44
HEX
AA BB CC
Node C address:
0A 01 AA 45 65 13 12 44
1 HEX
AA BB CC
6.Device status
No
Description（STM8L MCU）
1
The UART module is TTL level.
2
For some MCU works at 5V DC, it may need to add 4-10K pull-up resistor for the TXD & AUX pin.
6.1 AUX description
It can indicate whether there are data that are not to be sent via wireless yet, or whether all wireless data has been sent
through UART, or whether the module is still in the process of self-check initialization.
No.
Description
1
【Indication of UART output】can be used to wake up external MCU.
(Note: AUX indication has no delay in continuous transmission mode)
2
【Indication of wireless transmitting】
1.The length of the buffer in the module is 512 bytes, and the single packet must not exceed 128 bytes,
when AUX=1, users can transmit data continuously within 128 bytes.
2.When AUX = 1, it means that all the UART data of the module have been transmitted wirelessly.

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6.2 LINK description
The LINK pin indicates the current network status, after the node is connected to the network, the current pin is
pulled low. The external device can query the device network status through the pin level. In the coordinator mode,
the pin indicates if the module establishes the network normally.
6.3 ACK description
The ACK pin is used to indicate the status of the last user’s data transmission. Before transmitting, the pin is pulled
low. After the transmission is successful, the pin is pulled high. The user can use this pin state to judge if the data
has arrived successfully. This pin function cannot indicate the coordinator to send broadcast message.
Note: When 200 nodes sending data at the same time, the device will use the CSMA/MA technology to access the
channel before sending data. When the receiving device receives the data, the returned ACK does not have this
mechanism. In extreme conditions, it means that even if the receiving device receive data normally, ACK pin of
sending device will still indicate that the last data transmission failed.
7.Operating mode
M1
M0
Description
Remarks
Coordinator mode
0
0
Set up a network to manage network node
Transfer data according to input and output modes