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The SATELLINE-M3-TR8 radio module is the high power free-band version of the SATELLINE-M3_TR4 (European free band 869.400…869.650 Mhz / 500mW).

Its very small footprint of 57 x 36 x 6.7mm and its weight of 20g allows it to adapt to any type of embedded or portable application.

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The M3-TR8 module comes in the form of a PCB that integrates easily with the application motherboard. It has the same form factor as the M3-TR4 module that can be used in the 330 … 420MHz or 403 … 473MHz band.

It is used in applications of data transfer, telemetry, alerts, RTK data broadcasting for precise positioning … In a network of high points equipped with EASy 869 radio modems, it will be easily integrated into a mobile fleet.

Its main characteristics are :

  • Large switching band : 869.400…870 MHz
  • Configurable transmission power : 10, 20, 50, 100, 200 or 500 mW
  • Very good receiver sensitivity
  • Modulation 4 FSK
  • Radio speed : 19200 bits/s
  • Channel spacing : 25 kHz
  • 128-bit AES encryption
  • Power supply : 4 VDC

The radio modem is configured on a PC, using a standard terminal or the SATEL configuration manager.

Advanced Features

The SATELLINE-M3-TR8 modules include advanced addressing, repetition and routing features. It is possible to simply create networks in bus, star or extended topology. Automatic routing offers an overhop function that is particularly useful for managing mobile devices.

The 128-bit AES encryption option guarantees the confidentiality of transmitted data.


The SATELLINE-M3-TR8 modem is compatible with the SATELLINE EASY 869 series modems.

Integration support

Comatis provides support for the integration of radio modules on printed circuit (coexistence of the ICs, handling of the external interferences, electromagnetic compatibility …).


868 … 870 MHz

Switching band


Channel spacing

25 kHz


-112 dBm

Transmission power

From 10mW to 500mW, configurable

Radio transmission speed

19200 bits/s

Power supply

+4 VDC

Max consumption

RX 875 mW / TX 4,3 W (at 500mW power)

Size / weight

57 x 36 x 6,7 mm / 20 g

Antenna connector

U.FL (adapter cables available for TNC, SMA, MCX, MMCX…)

Serial interface

CMOS-UART (Socket pitch 1.27mm)


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