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E22-900T22D Lora wireless serial port module
E22-900T22D Lora wireless serial port module
Ebyte E22-900T22D whole new 22dBm Lora wireless serial port module with customized development services







[Introduction]:E22-900T22D is a wireless module (UART) with multiple transmission modes, working in the 850.125MHz~930.125MHz, (default 868.125MHz). It features LoRa spread spectrum technology, TTL level output, compatible with 3.3V and 5V IO port voltage.

Limit Parameters

Main ParametersPerformanceRemarks
Power supply(V)05.5Voltage over 5.5V will cause permanent damage to module
Blocking power(dBm)-10Chances of burn is slim when modules are used in short distance
Operating temperature(℃) -40 +85 -

Operating parameter

Main ParametersPerformanceRemarks
Min.Typ. Max.
Operating voltage(V)2.3 5.05.5≥5.0 V ensures output power
Communication level(V)-3.3-For 5V TTL, it may be at risk of burning down
Operating temperature(℃)-40 -+85Industrial design
Operating frequency(MHz)850.125 868.125930.125 Support ISM band
TX Current(mA)-110-Instant power consumption
RX current(mA) -11--
Sleep current(μA)-2-Software is shut down
Max Tx power(dBm) 21.522.022.5-
Receiving sensitivity(dBm)-146  -147-148Air data rate 0.3kbps
Air data rate(bps) 0.3k2.4k62.5kTo control via user’s program

Main parameter DescriptionRemarks
Distance for reference 5000mTest condition:clear and open area, antenna gain: 5dBi,antenna height: 2.5m,air data rate: 2.4kbps
TX length 240 Byte Can be configured via command as 32/64/128/240 bytesper packet to transmit
Buffer1000 Byte-
Communication interface UARTTTL level
Connector 1*7*2.54mm-
Size  21*36 mm-
Antenna SMA-K 50 ohm impedance