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E220-900T22S UART Interface
E220-900T22S LLCC68 chip
E220-900T22S UART Interface
E220-900T22S LLCC68 chip
E220-900T22S LLCC68 LoRa Wireless Module 22dBm ISM band 850.125~930.125MHz LoRa Spread Spectrum SMD IPEX Antenna Anti-interference

[IC]：LLCC68

[Frequency]：850.125~930.125MHz

[Power]：22dBm

[Distance]：5km

[Size]：16*26mm

[Introduction]：E220-900T22S is a new generation of LoRa wireless serial port module (UART), based on Semtech's original LLCC68 chip design. It has a variety of transmission methods, works in the (850.125～930.125MHz) frequency band (default 873.125MHz), LoRa spread spectrum technology, TTL level output, compatible with 3.3V and 5V IO port voltage.

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Main parameter Performance Remark
Operating frequency 850.125~930.125MHz Support ISM band
Tx power 22 dBm -
Receiving sensitivity -129dbm -
Air data rate 2.4k~62.5kbps Controlled via user’s programming
Distance for reference 5km Test condition：clear and open area, antenna gain: 5dBi，antenna height: 2.5m，air data rate: 2.4kbps
Main parameter Performance Remark
Size 16 * 26 mm -
Antenna IPEX/stamp hole 50 ohm impedance
Communication interface UART TTL Level
Package SMD -
Main parameter Min. Typ. Max. Unit Remark
Operating voltage 2.3 3.3 5.5 V ≥3.3 V ensures output power
Communication level - 3.3 - V For 5V TTL, it may be at risk of burning down
TX current - 110 - mA Instant power consumption @22dBm
RX current - 11 - mA -
Sleep current - 2 - uA Software is shut down
Operating temperature -40 20 +85 ℃ Industrial design
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