Radio Modem M4P

The M4 P is an integrated built-in LoRa transceiver radio developed for robotic lawn mowers and IoT wireless transmission applications. It supports the license-free 868 MHz and 915 MHz ISM bands and complies with radio regulations in Europe and North America. Featuring frequency hopping for anti-interference, long-range two-way communication, relay networking and OTA firmware upgrade, it fully meets the wireless communication requirements of the lawn mower industry.
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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

Channel Bandwidth

250kHz, 500kHz

Modulation Scheme

CSS

Carrier Output Power25mW / 100mW (863-870 MHz)

25mW / 100mW / 1000mW (902-928MHz)

Typical Power Consumption

High transmit power: 3W @ 3.3V DC (1000mW output)

Low transmit power: 280mW @ 3.3V DC (25mW output)

Module standby: 66mW @ 3.3V DC

Receiver Sensitivity

Better than -118dBm @ BER=10⁻⁵, 11000bps
Co-channel Rejection

> -12dB

Over-the-air Data Rate 11000bps, 19200bps, 62500bps
Serial Baud Rate9600bps, 19200bps, 38400bps, 115200bps
Operating Temperature-40 ~ +85°C
Storage Temperature-45 ~ +85°C
Dimensions

25(L) × 21(W) × 3.7(H) mm

WeightApprox. 3g
Antenna Interface IPEX connector, Pad hole
Antenna Port Impedance50Ω
Data Interface30Pin SMT


Application


USVRobotic Lawn Mower
Unmanned Delivery VehicleUnmanned Sweeper


Email
hd@navnav.com
Cell
0755-86616092
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