Radio Modem M2

M2 is a compact, integrated radio modem featuring both a transceiver and receiver. It operates on the 868/915MHz ISM frequency band, which is license-free. Designed for seamless integration, this modem boasts a long communication range, exceptional reception quality, robust interference resistance, and low energy consumption. It is specifically engineered to cater to the lawn mower market and various IoT wireless communication needs.
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Details

Key Features


Auto-Adaptive Frequency Adjustment

868/915 MHz ISM License-Free Bands

Long Communication Distance


Strong Penetration Capacity

Strong Aniti-Interference Performance

 Complete Certifications

Specifications

General Specification

Frequency range

863-870MHz; 902-928MHz

Operating Mode

Half-duplex

Channel Spacing

250KHz

Modulation Type

CSS

Channels 50
Operation Voltage3.3-5.5V
Power Consumption (Typical)

High power 400mW@3.3V DC

Receiver 50mW@3.3V DC
Modem
Air Baud Rate

9600bps / 19200bps
Serial Port Baud

9600bps / 38400bps / 115200bps

Transmitter

RF Output Power High Power (100mW) 20±1.2dBm@DC3.3V
Low Power (50mW) 17±1.5dBm@DC3.3V
Micro Power (25mW) 14±1.5dBm@DC3.3V
RF Power Stability≤±1dB
Adjacent Channel Power >50dB@25KHz

Receiver

Sensitivity-123dBm@BER 10-5, 19200
Structural Specification
Size17.5 (L)×14 (W)×3.2 (H)mm
Weight About 2g
Antenna InterfaceIPEX
Antenna Interface Impedance50ohm
Data Interface20Pin SMT


Application


USVRobotic Lawn Mower
Unmanned Delivery VehicleUnmanned Sweeper