Radio Module | OEM Radio Modem - Harxon

Radio Modem M4
Embedded LoRa Radio Modem
for Wireless Data Communication
Inquiry
Overview
Key Features
Parameters
Applications
Related Products
Overview
M4 is a built-in transceiver LORA radio station, specifically developed for the lawn mower market and IoT wireless transmission application scenarios. The product supports 868MHz and 915MHz ISM license-free frequency bands, and features compliance with European and American radio usage regulations, frequency hopping anti-interference, long-range bidirectional communication, relay networking, and OTA radio firmware upgrades, meeting the wireless communication needs of the lawn mower market.
Key Features
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Dual-band ISM Compatibility
Supports 863–870MHz and 902–928MHz license-free bands, fully compliant with European and US regulations for global deployment
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Long-range & Anti-interference Communication
Utilizes fast frequency hopping and high receiver sensitivity to ensure stable, long-distance communication even in complex environments
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Flexible Networking Capability
Supports point-to-point, point-to-multipoint, and relay networking, enabling seamless coverage across extended areas
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Integrated & Upgradeable Design
Built-in transceiver with bidirectional communication and OTA firmware upgrade support, simplifying integration and maintenance
Parameters
RF characteristics
Operating Frequency
863-870 MHz, 902-928MHz
Operating mode
Half-duplex
Band width
250kHz, 500kHz
Modulation Type
CSS
Carrier Power
25mW/100mW
Power Consumption (Typical)
Transmitting high power: 445mW@3.3V DC (outputting 100mW power)
Transmitting low power: 280mW@3.3V DC (outputting 25mW power)
Standby power consumption: 66mW@3.3V DC
Receiver sensitivity
Superior to -118dBm@BER 10-5, 11000bps
Structural Specification
Size
25×21×3.7mm
Weight
About 3g
Temperature (operation)
-40℃~+85℃
Temperature (storage)
-45℃~+85℃
Antenna port
IPEX, stamp hole
Antenna Impedance
50ohm
Data interface
30Pin SMT
Modem
Air Baud Rate
11000bps, 62500bps
Serial Rate Rate
9600bps, 19200bps, 38400bps, 115200bps
Applications
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