Radio Module | OEM Radio Modem

Radio Module | OEM Radio Modem - Harxon

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

Dual-band ISM Compatibility

Supports 863–870MHz and 902–928MHz license-free bands, fully compliant with European and US regulations for global deployment

Long-range & Anti-interference Communication

Utilizes fast frequency hopping and high receiver sensitivity to ensure stable, long-distance communication even in complex environments

Flexible Networking Capability

Supports point-to-point, point-to-multipoint, and relay networking, enabling seamless coverage across extended areas

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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