E32-915T20D


  • [Interface] : UART
  • [RF IC] : SX1276
  • [Frequency ] : 915MHz
  • [Power] : 20dBm
  • [Distance] : 3.0km
  • [Size] : 21*36mm
  • [Packing] : DIP
  • [Antenna] : SMA-K
  • [Feature] : LoRa spread spectrum
  • Product Detail

    Product Tags

    E32-TTL-100_01

    E32915T20D-933

    Brand

    Ebyte

    RF IC

    SX1276

    Model

    E32-915T20D

    Interface

    UART

    Power

    20dBm

    Distance

    3000m

    Antenna type

    SMA-K

    Frequency

    915MHz (900-931MHz)

    E32-915T20D is a 100mW wireless transceiver module, operates at 900~931MHz, based on original imported RFIC SX1276 fromSEMTECH. The module adopts LoRa spread-spectrum technology, which means the transmitting distance is much longer than before.

    官网E32-T100S2_02官网E32-T100S2_03新版E44-TTL-100_04

    General parameters

    Antenna type

    SMA-K

    50Ω characteristic impedance

    Operating temperature

    -40 ~ +85℃

    -

    Operating humidity

    10% ~ 90%

    Relative humidity,No condensation

    Storage temperature

    -40 ~ +125℃

    -

    Size

    21 * 36mm

    -

    Weight

    6.7g

    Average weight

    Connector

    1*7*2.54mm

    Plug-in

    Operation Range

    About 3000m

    Test condition: clear and open area & 20dBm, antenna gain: 5dBi,height: 2m,air data rate: 2.4kbps

    Communication interface

    UART

    8N1, 8E1, 8O1, eight kinds of UART baud rate, from 1200 to 115200 bps(Default: 9600)

    Driving mode

    UART

    Can be configured to push-pull/high pull, open-drain

    Transmitting length

    512 bytes buffer

    58 bytes per package

    Receiving length

    512 bytes buffer

    58 bytes per package

    Electrical parameters

    Frequency Band

    900 – 931MHz

    Frequency range : 900 – 931MHz, Channel: 32

    Supply voltage

    2.1 ~ 5.5V DC

    Note: the voltage higher than 5.5V is forbidden

    Communication voltage

    3.3V

    The difference with supply voltage less then 0.3V is recommended to lower power consumption

    Transmitting power

    20dBm(100mW)

    4 optional level(20, 17, 14, 10dBm)

    Air data rate

    2.4kbps

    6 optional level(0.3, 1.2, 2.4, 4.8, 9.6, 19.2kbps)

    Standby current

    3.0uA

    M1=1, M0=1 ( Mode 3 )

    Transmitting current

    120mA@20dBm

    ≥300mA

    Receiving current

    14mA

    Mode 0、Mode 1

    Sensitivity

    -138dBm@0.3kbps

    Sensitivity has nothing to do with baud rate or timing

    新版E31-TTL-50_05

    Pin No.

    Pin item

    Pin direction

    Pin application

    1

    M0

    Input

    (weak pull-up)

    Work with M1 & decide the four operating modes.Floating is not allowed, can be ground.

    2

    M1

    Input

    (weak pull-up)

    Work with M0 & decide the four operating modes.Floating is not allowed, can be ground.

    3

    RXD

    Input

    TTL UART inputs, connects to external (MCU, PC) TXD output pin. Can be configured as open-drain or pull-up input.

    4

    TXD

    Output

    TTL UART outputs, connects to external RXD (MCU, PC) input pin. Can be configured as open-drain or push-pull output

    5

    AUX

    Output

    To indicate module’s working status & wakes up the external MCU. During the procedure of self-check initialization, the pin outputs low level. Can be configured as open-drain output or push-pull output (floating is allowed).

    6

    VCC

    Input

    Power supply 2.1V~5.5V DC

    7

    GND

    Input

    Ground

    8

    Fixing hole

    Fixing hole

    9

    Fixing hole

    Fixing hole

    10

    Fixing hole

    Fixing hole

    应用E32-TTL-100_07

    900~931


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