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Module de port série sans fil LoRa
Module de port série sans fil LoRa
Module de port série sans fil LoRa
Module de port série sans fil LoRa
Module de port série sans fil LoRa
Module de port série sans fil LoRa
EWM22M-400T22S 433MHz Module de port série sans fil LoRa Entièrement compatible avec les modules E22 Prise en charge de la mise en réseau automatique des relais

[Solution de puce]： LoRa

[Fréquence]： 410,125-493,125 MHz

[Puissance d’émission]：22 dBm

[Distance de communication]： 5 km

[Dimensions]：14 x 20 mm

[Poids]： 1,95 ± 0,05 g

[Introduction]：The EWM22M-400T22S is an ultra-small, low-cost wireless serial port module (UART) with multiple transmission modes. It utilizes LoRa communication technology, which is fully compatible with the E22. It has a maximum transmit power of 22dBm and operates in the 400 frequency band. It utilizes LoRa spread spectrum technology, TTL level output, and is compatible with 3.3V IO port voltage. This LoRa module offers faster speeds, lower power consumption, and a smaller size. Custom development services are also available.

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RF parameters unit Performance parameters Remark
Maximum transmit power dBm 22.0±1 -
Receive sensitivity dBm -130 The air rate is 2.4kbps
Reference distance M 5K In a clear and open environment, the antenna gain is 5dBi, the antenna height is 2.5 meters, and the air data rate is 2.4kbps.
Operating frequency band MHz 410.125～493.125MHz Support ISM band
Air speed bps 2.4K～62.5K User programmable control
Blocking power dBm 10 The probability of burning is lower when used at close range
Launch length Btye 240 The command can be set to send packets of 32/64/128/240 bytes
Electrical parameters unit parameter Remark
Operating voltage V2.7～5.5 ≥5V can guarantee the output power  ,  and exceeding 5.5V will permanently burn the module.
Communication level V3.3V Using 5V TTL may cause burnout
Power consumption Emission current mA110 Instantaneous power consumption @22dBm
Receive current mA8
Sleep current uA3 Software shutdown
Operating temperature ℃ -40～+85 Industrial-grade design
Hardware Parameters parameter Remark
Crystal oscillator frequency 32MHz Industrial-grade high-precision crystal oscillator
Modulation method LoRa LoRa modulation technology
Interface 1.27mm stamp hole
Communication interface UART serial port TTL level
Launch length 240 Btye The command can be set to send packets of 32/64/128/240 bytes
Packaging SMD -
Cache capacity 1000Btye -
Antenna interface IPEX/Stamp Hole Equivalent impedance is about 50Ω
size 14 * 20 mm ±0.1mm
Product Net Weight 1.95g ±0.05g