The MC90 is an LTE Cat 4 global cellular modem optimized for M2M and IoT applications.
It is backward compatible to EDGE and GSM/GPRS ensuring that it can even be connected in areas missing 4G or 3G.
AT commands can be used to send and receive SMS messages as well as data via FTP(S), HTTP(S) and MQTT directly.
| Characteristic | Description / Value |
|---|---|
| Mobile network features | |
| Supported networks | LTE-FDD: B1/B2/B3/B4/B5/B7/B8/B12/B13/B18/B19/B20/B25/B26/B28 LTE-TDD: B38/B39/B40/B41 WCDMA: B1/B2/B4/B5/B6/B8/B19 GSM: B2/B3/B5/B8 |
| IoT/M2M-optimized LTE Cat 4 data terminal | |
| Quectel EG25-G module integrated | |
| Worldwide LTE, UMTS/HSPA(+) and GSM/GPRS/EDGE coverage | |
| Power | |
| Supply Voltage | 6 V to 30 V DC (min. 12 W guaranteed output power of power supply) |
| Electrical connection | RJ12 port pinout |
| Ports and interfaces | |
| DE-9 female | Connected to internal RS-232 module |
| RJ12 (Power) | For power supply and connected to internal RS-232 module |
| SMA female GSM | For GSM antenna |
| SMA female GNSS | For GNSS antenna |
| USB B | Only for data connection (not suitable for power supply) |
| SIM card slot | Push-push mechanism |
| Antennas | |
| LTE/UMTS antenna interface | SMA |
| Impedance | 50 Ω |
| General | |
|---|---|
| Operational temperature | -35°C ... +75°C |
| Dimensions (W x H x D) | 74 x 33 x 65 mm |
| Weight | ca. 90 g |
| Protection class | IP20 |
| Mounting | Tabletop / DIN rail (with optional mounting kit) |
| PIN | Signal | Description | Ammonit Cable Wire Colour |
|---|---|---|---|
| 1 | GND | Ground | blue |
| 6 | POWER | Power supply input (6…30 V) | white, green + |
| 2, 3, 4, 5 | do not connect |
The DC voltage must be in the range of 6to 30 V (typically 12 V).
Please note: Ammonit offers directional and Yagi antennas as accessories.
| LED | Colour | Description |
|---|---|---|
| LED 1 | Green | Power |
| LED 2 | Yellow | Connection status indicator |
| LED 3 | Blue | Net mode indicator (LTE) |
| LED 4 | Red | Error indication (e.g. under/over voltage situation) |
| LED 5 | Green | Power (same as LED 1) |
| LED 6 | Yellow | Connection status indicator (same as LED 2) |
| Blink pattern | Network Status |
|---|---|
| Short interval (200 ms High/1800 ms Low) | Network searching |
| Long interval (1800 ms High/200 ms Low) | Idle |
| Flickering (125 ms High/125 ms Low) | Data transfer in progress |
| Always on | Voice or data call in progress |