Smart Gateway L Serial Specification

Product Name: L-Serial Smart Gateway

Model Name: DSGW-040

Model list



Bluetooth 5.0

Zigbee 3.0





Wi-Fi 2.4G






1. Introduction

1.1 Purpose& Description


It is a smart Gateway with DC power supply. It can be used in various scenarios flexibly. It can control BLE

device remotely, receives the data sent by the BLE devices and sends it to servers. The Wi-Fi data rate can

be up to 580Mbps and BLE data rate can be up to 2Mbps. It can also supports the 5V adapter power supply,

It reserves the ZigBee3.0 function ,Z-WAVE, 4G LTE function.

1.2 Product Feature Summary

  • Support 5V adapter power supply

  • Support IEEE802.11ac,IEEE802.11n,IEEE802.11g,IEEE 802.11b Protocol

  • Support Network Communication of 4G Module (LTE-TDD/LTE-FDD)

  • Support Bluetooth 5.0

  • Support ZigBee3.0

  • Support Z-WAVE

  • Supporting waterproof and dustproof

  • One WAN/LAN variable network port

1.3 Hardware block diagram

2. Mechanical Requirement

2.1 Drawings


2.2 Interface

2.3 Item list












Power Adapter

Network Cable


3. Specifications


3.1 Technical Specification



Power Supply

Reset button

Network Interface

Indicator LEDs

Operating Temperature


Wi-Fi Performance

Support DC Input , input Voltage range is 4.5V to 5V. Power seat aperture is

3.5mm. The needle diameter is1.35 mm and is positive. Power adapter:100-240V  50/60HZ, Output is 5V/2A


1).Power LED normally on when powered on 2).Zigbee/BLE/Z-WAVE LED is flash

when the signal come 3).Wi-Fi LED normally on after connecting to Wi-Fi for 1-2




  • IEEE wireless LAN standard:

IEEE802.11n; IEEE802.11g; IEEE 802.11b

  • Data Rate:

IEEE 802.11b Standard Mode:1,2,5.5,11Mbps

IEEE 802.11g Standard Mode:6,9,12,18,24,36,48,54 Mbps

IEEE 802.11n: MCS0~MCS7 @ HT20/ 2.4GHz band

MCS0~MCS7 @ HT40/ 2.4GHz band

MCS0~MCS9 @ HT40/ 5GHz band

IEEE 802.11ac: MCS0~MCS9 @ VHT80/ 5GHz band

  • Sensitivity:

VHT80 MCS9 : -60dBm@10% PER(MCS9) /5GHz band

HT40 MCS9 : -63dBm@10% PER(MCS9) /5GHz band

HT40 MCS7 : -70dBm@10% PER(MCS7) /2.4GHz band

HT20 MCS7 : -71dBm@10% PER(MCS7) /2.4GHz band

  • Transmit Power:

IEEE 802.11ac: 13dBm @HT80 MCS9 /5GHz band

IEEE 802.11ac: 16dBm @HT80 MCS0 /5GHz band

IEEE 802.11n: 14dBm @HT20/40 MCS7 /5GHz band

IEEE 802.11n: 16dBm @HT20/40 MCS0 /5GHz band

IEEE 802.11n: 16dBm @HT20/40 MCS7 /2.4GHz band

IEEE 802.11g: 16dBm @54MHz

IEEE 802.11b: 18dBm @11MHz

  • Wireless Security: WPA/WPA2, WEP, TKIP, and AES

  • Working mode : Bridge、Gateway、AP Client

  • Range: 50 meters minimum, open field

  • Transmit Power:17dBm

  • Highest Transmission Rate: 300Mbps

  • Frequency offset: +/- 50KHZ

  • Frequency Range (MHz): 2412.0~2483.5

  • Low Frequency (MHz):2400

  • High Frequency (MHz):2483.5

  • E.i.r.p (Equivalent Isotopically Radiated power) (mW)<100mW

  • Bandwidth (MHz):20MHz/40MHz


The reset button is hole button, After pressing the reset button for more than 5

seconds, the Gateway will be restored to the factory settings.

Zigbee Performance

  • TX Power: 17.5dBm

  • Range: 100 meters minimum, open filed

  • Receiving Sensibility:-94dBm

  • Frequency offset: +/-20KHZ

  • Frequency Range (MHz):2401.0~2483.5

  • Low Frequency (MHz):2400

  • High Frequency (MHz):2483.5

  • E.i.r.p (Equivalent Isotopically Radiated power) (mW)<100mW

  • Bandwidth (MHz):5MHz

  • Modulation: OQPSK

3.2 Performance Requirement


  • TX Power: 19.5dBm

  • Bluetooth: 19.5dBm

  • Range: 150 meters minimum, open filed

  • Receiving Sensibility: -80dBm@0.1%BER

  • Frequency offset: +/-20KHZ

  • Frequency Range (MHz):2401.0~2483.5

  • Low Frequency (MHz):2400

  • High Frequency (MHz):2483.5

  • E.i.r.p (Equivalent Isotopically Radiated power) (mW)<10mW

  • Bandwidth (MHz):2MHz

  • Modulation: GFSK

LTE Performance

  • Operation Frequency Band: 850/900/1800/1900MHZ

GPRS Characteristic

  • Global:LTE:FDD:B1/B2/B3/B4/B5/B8/B12/B13/B18/B19/B20/B26/B28

  • North America: LTE TDD:B2/B4/B12/B13

  • LTE TDD:B39(for cat.M1 only)


  • Cat.M1/Cat.NB1

Z-wave Performance

  • TX power up to 13dBm

  • RX sensitivity: @100kbps -97.5dBm

  • Range: 100 meters minimum, open filed

  • Frequency: 779 - 956 MHz

RF Factory Test Mode

Setting the Board into the test mode, using the Iqexl-ws that can test the Wi-Fi, Zigbee, Bluetooth, LTE.

Please refer to the DUSUN Test Specification for details.

4. QA Requirements


4.1 Quality and Testing Information

Information Description

Standard(Yes) custom(No)

ESD Testing

RF Antenna Analysis

Environmental Testing

Reliability Testing

Operate temperature






FCC, CE, Zigbee, Bluetooth(BQB), RoHs


5. Software requirement


This software will be based on MTK platform. It runs on the OpenWrt system. And the Features:

  • Wi-Fi

  • Zigbee3.0

  • Bluetooth 5

  • Z-Wave

  • LTE

  • OTA

  • MQTT

5.1 Defines

5.1.1 Boot up

When insert the power , The green and yellow Led are lighting, the Yellow LED is go out and the green LED is

blink, the green led is lighting, the gateway boot up successfully.

5.1.2 Reset

Keep pressing the button for 5s. All matching information is eliminated.

5.1.3 Indicator LED

  • Green LED: it is used to indicate system startup

  • Yellow LED: it is used to indicate the operating the Zigbee and z-wave. When the gateway communicate with sensor, the led will be blink. If let the gateway go into pairing mode, the led will be blink.

  • Red LED: it is used to indicate gateway connect with cloud, if the gateway connect with successfully, the Red LED is go out, failed is lighting.

5.2 Wi-Fi Configuration

The Wi-Fi support the AP mode and client mode. It can be switched.

The name of AP : xxxxxxx

Pass word : xxxxxxx

5.3 Zigbee Configuration

The Zigbee stack is version 3.0, it can support ZHA, Greenpower, ZLL, ZSE etc.

It support most cluster of ZigBee devices. Like door sensor, leakage sensor, Motion sensor, Tem&Hum sensor,

smart plug, Smart lamp, smoke sensor, curtain etc. It can used web or command to add the device.

5.4 Bluetooth Configuration

The Bluetooth is core 5.0, it supports BLE 5. It can used web or command to add the device.

5.5 Z-Wave Configuration

Z-Wave is a standard module, it support most cluster of z-wave devices. It can used web or command to add

the device

5.6 LTE Configuration

The gateway power on , the LTE will set up , and check if there is a sim card, then scan the network and join it.

It can used the web or command to change the APN to adapt to different countries.

5.7 OTA

The gateway can be upgradeable over the network.

5.8 MQTT

The gateway support the MQTT protocol to connect the cloud.

6. Application


1) Smart Gateway collects information about Beacon nearby, including RSSI, MAC, etc., once per second.

2) Smart Gateway send the Beacon information to Cloud via Wi-Fi.

3) Smart Gateway support the TCP/IP, UDP protocol, and can support the MQTT, LWM2M protocol.

4) Smart Gateway support connect ZigBee and z-wave devices,

5) Smart Gateway support Cellular network