Q: what are Teltonika TM GSM/GPRS modules?Teltonika has at least 4 GSM/GPRS modules:
- TM1: currently mainstream, embedded in FM22, FM32 and FM42 dual-band devices
- TM1Q: embedded in FM22Q and FM42Q quad-band devices
- TM11Q: currently embedded only in FM11, but it is planned to become mainstream some day
- TM2: GSM/GPRS module with board-to-board connectors currently embedded only in TWCT22, not for sale
- TM3: GSM/GPRS/EDGE module with board-to-board connectors
Modules labeled with a trailing "Q" are quad-band, otherwise are dual-band.