Teltonika TRB256

4G LTE Cat M1 up to 588 DL/ 1119 UL kbps, Cat NB2 up to 127 DL/158.5 UL kbps, Cat NB1 up to 32 DL/70 UL kbps (simultaneous operation of cellular and GNSS connectivity is not supported)

Release 14

2 SIM cards, auto-switch cases: weak signal, data limit, SMS limit, on roaming, no network, network denied, data connection fail

IMSI, ICCID, operator, operator state, data connection state, network type, bandwidth, connected band, signal strength (RSSI), SINR, RSRP, RSRQ, EC/IO, RSCP, data sent/received, LAC, TAC, cell ID, ARFCN, UARFCN, EARFCN, MCC, and MNC

SMS status, SMS configuration, send/read SMS via HTTP POST/GET, EMAIL to SMS, SMS to EMAIL, SMS to HTTP, SMS to SMS, scheduled SMS, SMS autoreply, SMPP

Operator black/white list (by country or separate operators)

Band lock, Used band status display

When working with devices with two SIM slots, the one not currently in use will remain idle until the device switches to it, meaning that no data is used on the card until then