Use TR-72D series instead.
- External serial EEPROM
- Temperature sensor
- Optional on-board PCB antenna
- 6 I/O pins
- Power supply 3.1 - 5.3 V
- SIM card format, connector mounting
|TR-52BC||Coaxial connector for antenna cable CAB-U.FL or CAB-U.FL/SMA|
|TR-52BA||On-board PCB antenna|
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.