[IC]:SX1262
[Frequency]:850.125~930.125MHz
[Power]:22dBm
[Distance]:5km
[Size]:21*36mm
[Weight]:6.5±0.2g
[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 Parameters | Performance | Remarks | |
Min. | Max | ||
Power supply(V) | 0 | 5.5 | Voltage over 5.5V will cause permanent damage to module |
Blocking power(dBm) | - | 10 | Chances of burn is slim when modules are used in short distance |
Operating temperature(℃) | -40 | +85 | - |
Operating parameter
Main Parameters | Performance | Remarks | ||
Min. | Typ. | Max. | ||
Operating voltage(V) | 2.3 | 5.0 | 5.5 | ≥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 | - | +85 | Industrial design |
Operating frequency(MHz) | 850.125 | 868.125 | 930.125 | 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) | 21.5 | 22.0 | 22.5 | - |
Receiving sensitivity(dBm) | -146 | -147 | -148 | Air data rate 0.3kbps |
Air data rate(bps) | 0.3k | 2.4k | 62.5k | To control via user’s program |
Main parameter | Description | Remarks |
Distance for reference | 5000m | Test 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 |
Buffer | 1000 Byte | - |
Modulation | LORA | - |
Communication interface | UART | TTL level |
Package | DIP | - |
Connector | 1*7*2.54mm | - |
Size | 21*36 mm | - |
Antenna | SMA-K | 50 ohm impedance |