Radio Modem M4

M4 is an embedded LoRa transceiver designed for the lawn mower market and IoT wireless transmission applications. It supports the 868 MHz and 915 MHz ISM unlicensed bands, offering strong compliance, excellent anti-interference, long communication range, strong penetration. With adaptive networking, and remote upgrade capabilities, M4 meets the wireless communication needs of the lawn mower market.
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Details

Key Features

  • Supports unlicensed bands for Europe and the US: 863-870 MHz and 902-928 MHz

  • Complies with local radio regulations in Europe and the US

  • Strong anti-interference capability

  • Integrated transceiver supporting two-way communication

  • Long communication range with up to 1W transmit power

  • Strong penetration capability

  • Supports adaptive networking for wider coverage

  • Open upgrade protocol for remote firmware updates

  • CE and FCC certified 

Specifications

General Specification

Frequency

863-870MHz;902-928MHz

Operating Mode

Half-duplex

Modulation

LORA

Channels

50 (configurable)

Supply Voltage 3.3-3.6V
Power Consumption (Typical)

High TX Power: 4W@3.3V DV

Standby Power: 5mW@3.3V DV
Dimensions

9600bps / 19200bps
Weight

≈3g

Antenna Impedance 50ohm
Data Interface20Pin SMT
Air Baud Rate9600bps/19200bps
Serial Port Rate9600 bps/19200 bps/38400 bps/115200bps
RF Output Power(410-470MHz)

High Power :1W@DC 3.3V

Middle Power :0.5W@DC3.3V

Low Power :0.1W@DC3.3V

RX Sensitivity RX Sensitivity  -123dBm@BER 10-5,19200
Operating Temperature -40~+70℃
Storage Temperature -40~+85℃


Application


USVRobotic Lawn Mower
Unmanned Delivery VehicleUnmanned Sweeper


Email
hd@navnav.com
Cell
0755-86616092
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