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wireless serial port module
TTL level output
wireless serial port module
TTL level output
E220-900T22D LoRa Wireless UART Module RSSI ISM 868MHz 915MHz 22dBm Module LoRa Spread Spectrum UART Interface SMA-K Antenna

[IC]：LLCC68

[Frequency]：850.125~930.125MHz

[Power]：22dBm

[Distance]：5km

[Size]：21*36mm

[Introduction]：E220-900T22D adopts a new generation of LoRa spread spectrum technology and a wireless serial port module (UART) designed based on the LLCC68 chip scheme. It has a variety of transmission methods, works in the (850.125 ～ 930.125MHz) frequency band(default 873.125MHz), TTL level output, compatible with 3.3V and 5V IO port voltage

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Main Parameter Min. Typ. Max. Unit Remark
Operating voltage 2.3 3.3 5.5 V ≥3.3V ensures output power
Communication level - 3.3 - V For 5V TTL, it may be burning down
TX current - 110 - mA Instant power consumption @22dBm
RX current - 16.8 - mA 5V Voltage
Sleep current - 5 - uA Software shutdown
Operating Temperature -40 - +85 ℃ Industrial grade
Operating frequency 850.125 - 930.125 MHz Support ISM band
Tx power 21.5 22 22.5 dBm -
Receiving sensitivity -146 -147 -148 dBm Air data rate 2.4kbps
Air data rate 2.4k 2.4k 62.5k bps To control via user’s program
Main Parameter Performance Remark
Distance for reference 5km Test condition：clear and open area, antenna gain: 5dBi，antenna height: 2.5m，air data rate:2.4kbps
TX length 200 Btye Can be configured via command as 32/64/128/200 bytes per packet to transmit
Buffer 400 Btye -
Modulation LoRa New generation LoRa modulation technology
Communication interface UART Serial Port TTL Level
Package DIP -
Size 21*36 mm -
Antenna SMA-K 50 ohm impedance
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