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TR-75D series

Smart transceiver

Product status: Preliminary  Info

  • TR-55D successor, high RF power (8 mW)
  • 10 I/O pins
  • Serial EEPROM 32 KB
  • No temperature sensor, 2 LEDs
  • No LDO voltage regulator, power supply 3.0 V to 3.4 V
  • On-board PCB antenna
  • Intended for vertical soldering,
    plugging into SIM connector also possible
  • RF bands 868 MHz and 916 MHz
  • TR-75DA-IL version (intended for Israel, observing local RF band/channel restrictions)
» Recommended circuit for development
TR-75D

TR-75D block diagram

Ordering codes

Type RF band
[MHz]
Antenna option Data controlled
TR-75DA 868/916 On-board PCB antenna Yes

The transceivers are provided with current OS version and disabled RFPGM (wireless upload) after reset.
Older OS versions or versions with enabled RFPGM are available on request.

PDF   Datasheet TR-75DA-IL  – version for Israel
PDF   AN014 - Application note RF range
PDF  MCU datasheet - PIC16LF1938
INFO  Product history - Release notes