[Chip solution]: SX1268
[Transmission power]:37dBm
[Communication distance]: 25km
[Product size]: 50*30.9mm
[Introduction]:E22-400T37S is a new generation of based on SX1268 radio frequency chip wireless serial port module (UART), with a variety of transmission methods ,working in (410.125~493.125MHz)frequency band (default 433.125MHz), LoRa spread spectrum technology,TTL Level output, support 4 5 V - 15V supply voltage
Main parameter | performance | Remark | |||||
minimUm | Typical value | maximu m | |||||
Operating voltage (V). | 4.5 | 5~12 V | 15 | ≥4. 5V guarantees output power, and the lower the voltage, the greater the supply current | |||
Communication level (V) | - | 3.3 | - | Using 5V levels may pose a risk of burnout, requiring | |||
Operating temperature (°C). | -40 | - | 85 | Industrial-grade design | |||
Operating frequency band (MHz). | 410.125 | - | 493.125 | ISM bands are supported | |||
power consumpion | 5V transmit current (mA) | 2900 | 3100 | 3300 | Test at 50 ohms impedance, impedance mismatch may cause large current, use 5V power supply,please provide at least 3.5A output power supply | ||
12V transmit current (mA) | 900 | 1100 | 1300 | Test at 50 ohms impedance, impedance mismatch may cause large current, use 12V power supply, please provide at least 1.5A output power supply | |||
Receive current (mA). | 11 | 43 | 15 | - | |||
Sleep current (uA). | - | 2 | - | Software shutdown | |||
Maximum transmit power(dBm). | 36 | 37 | 38 | - | |||
Receive sensitivity (dBm). | -126 | -128 | -130 | Air rate 2.4 kbps | |||
Air rate (bps). | 0.3k | 2.4k | 62.5k | User programmatic control | |||
Reference distance | 20km | Clear sky, Chengdu downtown, antenna gain 5dBi, | |||||
Emission length | 240 Byte | Subpackets can be sent by command setting | |||||
Cache capacity | 1000 Byte | - | |||||
Modulation mode | LoRa | A new generation of LoRa modulation technolog | |||||
Communication interface | UART serial port | TTL leve | |||||
Encapsulation method | SMD | SMD | |||||
Interface mode | 2.54mm | - | |||||
Form factor | 50*30.9mm | - | |||||
RF interfac | IPEX/stamp hole | The characteristic impedance is about 50 ohms |
[Chip solution]:SX1262
[Transmission power]:22dBm
[Communication distance]:5km
[Product size]: 45.3*27.8*11.2mm
[Product size]:25*40.5mm
[Communication distance]:16km
[Transmit power]:33dBm
[Carrier frequency]:410.125~493.125MHz
[Chip solution]:SX1268
[IC]:SX1268
[Frequency]:433MHz
[Power]:22dBm
[Size]:16*26mm
[Weight]:2.3±0.1g
[IC]:SX1262
[Frequency]:850.125~930.125MHz
[Power]:30dBm
[Distance]:10km
[Size]:25*40.5mm