Product Descriptions

EWM220M-400T22S/EWM220M-900T22S is a new generation LoRa wireless serial port module (UART). It has multiple transmission modes and operates in the frequency bands of 410.125-493.125MHz (default 433.125MHz) and 850.125-930.125MHz (default 433.125MHz). It uses LoRa spread spectrum technology, TTL level output, and is compatible with 3.3V and 5V IO port voltages.

EWM220M-400T22S/EWM220M-900T22S has a long transmission distance, fast speed, low power consumption, small size, and high cost-effectiveness; Support functions such as air wake-up, carrier monitoring, communication key, etc., support packet length setting, and provide customized development services. This product can cover a wide frequency range of 410-493MHz.

Product Features

It has significant advantages such as low power consumption, fast speed, long distance, small size, and high cost-effectiveness;  

Under ideal conditions, the communication distance can reach 5km;

Maximum transmission power of 22dBm, software multi-level adjustable;

Support users to set their own communication keys, which cannot be read, greatly improving the confidentiality of user data;

Support RSSI signal strength indication function, used for evaluating signal quality, improving communication networks, and ranging;

Support air wake-up, which is an ultra-low power consumption function, suitable for battery powered application solutions;

Support fixed-point transmission, broadcast transmission, and channel monitoring;

Save parameters after power failure, and the module will work according to the set parameters after power on again;

Efficient watchdog design, once an exception occurs, the module will automatically restart and continue to work according to the previous parameter settings;

Supports data transmission rates ranging from 2.4k to 62.5kbps;

Supports 2.7-5.5V power supply, with optimal performance guaranteed for power supplies above 3.3V;

Industrial standard design, supporting long-term use at -40~+85 ℃;

Dual antenna options (IPE/stamp hole) are available for users' secondary development and integration.

Product Applications

• Home security alarm and remote keyless entry;

• Smart home and industrial sensors, etc;  

• Wireless alarm security system;

• Building automation solutions;

• Wireless industrial grade remote control;

• Healthcare products;

• Advanced Meter Reading Architecture (AMI);

• Application in the automotive industry.

Specifications

Actual product photos

Payment&Transportation

Official Certificate&Certificate

Multiple product supply

Company office environment

Warehouse Real Shot

Standard packaging

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