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  • CSW2201-23L Module

    CSW2201-23L Module

    The CSW2201-23L module long-distance transmission 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. Networking reshapes the boundaries of WiFi transmission.

    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 speed

    100~300Mbps

    1M/24Mbps

    250Kbps

    0.3~50Kbps

    20~127Kbps

    <10Mbps

    ≤40Mbps

    Operating frequency band

    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 waste

    higher

    Lower

    low

    Lower

    Lower

    Lower

    commonly

    Applicable scenario

    General family

    Office environment

    Proximity audio and control

    Smart home

    Low speed equipment

    Large scale low-speed networking

    Wide range low-speed direct network access

    Large range long-distance transmission

    Long distance high rate transmission

    5.png

    The main parameters

    parameter

    index

    working frequency

    2.3/2.4GHz

    throughput

    Adaptive, ≤ 40mbps

    High transmitting power

    20dBm

    Measured transmission distance

    8 ~ 9km (no ground to air interference, 2Mbps), 400 ~ 500m in noisy ground environment in typical cities

    working temperature

    -20~70℃

    power waste

    RX:147mA@3.3V TX: 220mA @3.3V

    Receiving sensitivity

    -94dBm (Min)

    delayed

    Typical value 4ms

    Package size

    12.9mm*12.2mm*1.75mm ( L*W * H)

    encryption

    WPA2 AES

    Network topology

    Point to point, point to multipoint, mesh

    Transmission technology

    OFDM TDD LR-WiFi

    diversity

    2x2MIMO,ML,MRC

    FEC

    LDPC

    Antenna interface

    IPEX x2

    Interface

    USB2.0

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