CSW220A Module

      CSW220A Module

      The CSW220A module long-distance wifi module focuses on the Internet of Things technology. Its innovative LR-WiFi technology (Long Range WiFi) solves the problem of low-cost, high-performance, high-speed, and long-distance wireless communication, reshaping the Internet of Things WiFi transmission boundary.

      LR-WiFi: The main technology comes from WiFi, which not only has the characteristics of WiFi easy to use, mature, and can be networked, but also solves the missing problem in WiFi: distance.

      LR-WiFi has a hundred times that of LoRa, zigbee and other narrow-band communications and a slightly lower rate than WiFi. It can also be compatible with WiFi through an external wireless network card. It can be widely used in wireless cameras, drones, smart buildings, smart agriculture, and wisdom. Fields such as factories, robots, stage and musical instruments.

      Comparison of LR-WIFI and other wireless methods

      2.png

      Comparison of LR-WIFI and other wireless methods

      parameter

      Traditional WIFI

      Bluetooth

      Zigbee

      LoRa WAN

      NB-IOT

      802.11ah (Halow)

      LR-WiFI

      Transmission distance

      100m~400m

      15m~60m

      50m~300m

      300m~27Km

      <20Km

      <10Km

      ≤15Km

      Transmission rate

      100~300Mbps

      1M/24Mbps

      250Kbps

      0.3~50Kbps

      20~127Kbps

      <10Mbps

      ≤40Mbps

      Working frequency

      2.4G /5GHz

      2.4GHz

      2.4G/Sub1GHz

      Sub 1GHz

      Licensed

      Sub 1GHz

      2.3/2.4GHz

      Node access capability

      32

      8

      6.5W

      6.5W

      About 20W

      8000

      32

      Network topology

      Star/Relays/Mesh

       Mesh

      Mesh

      Star

      Star

      Star

      Star/Mesh

      Power consumption

      Higher

      Lower

      Low

      Lower

      Lower

      Lower

      generally

      Applicable scene

      Average family

      Office environment

      Close-up audio and control

      Smart home

      Low-speed equipment

      Large-scale low-speed networking

      Large-scale low-speed direct network access

      Large-scale long-distance transmission

      Long-distance high-speed transmission

      Module introduction

      3.png

      The main parameters

      parameter

      index

      working frequency

      2.3/2.4GHz

      throughput

      Adaptive, ≤ 50Mbps

      High transmitting power

      20dBm

      Long transmission distance

      8 ~ 9km (no ground to air interference, 2Mbps), 300 ~ 500m in the noisy ground environment in typical cities

      working temperature

      -20~80℃

      working voltage

      5V

      power waste

      0.5W (typical) 1.5W (large)

      Receiving sensitivity

      -94dBm (Min)

      delayed

      Typical value 4ms

      Package size

      34mm*26mm*4mm ( L*W * H)

      encryption

      WPA2 AES

      Network topology

      Point to point, point to multipoint, mesh

      Transmission technology

      OFDM TDD LR-WiFi

      Functional application

      Integrated serial port transparent transmission, audio function

      FEC

      LDPC

      Antenna interface

      IPEX x2

      Interface

      MIC_IN UARTx2 USB_OTG HEADPHONE_Out GPIO SDIO 10 / 100M Ethernet

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