Overview
The Inventory Master 4G cellular modem is an industrial 2G or 3G or 4G LTE cellular Modem with high stability and anti-interference. It can realize the transparent data transmission between serial port RS 485 and 4G cellular network.
Features
- It supports Global 4G Bands
- Supports 2G or 3G or 4G network
- SMS command or confirmation by SMS
- High-speed
- Low delay
- Tiny-size, easy to carry
- DIN-rail, easy to install
- Ear hanging type, DIN-Rail Install
- RS 485 Port, realize the data transmission between RS 485 and 4G Network
- Network transparent transmission mode
- Modbus RTU to Modbus TCP
- SMS Transparent Transmission
- Parameter Configuration
- Remote Upgrade
- Hardware Protection
Technical Specifications
| LTE FDD | B 1, B 2, B 3, B 4, B 5, B 7, B 8, B 12, B 13, B 18, B 19, B 20, B 25, B 26, B 28 |
| LTE TDD | B 38, B 39, B 40, B 41 |
| WCDMA | B 1, B 2, B 4, B 5, B 6, B 8, B 19 |
| GSM | B 2, B 3, B 5, B 8 |
| LTE-FDD | 150 Mbps (DL), 50 Mbps (UL) |
| LTE-TDD | 130 Mbps (DL), 30 Mbps (UL) |
| DC-HSDPA | 42 Mbps (DL) |
| HSUPA | 5.76 Mbps (UL) |
| WCDMA | 384 Kbps (DL), 384Kbps (UL) |
| GSM(EDGE) | 296 Kbps (DL), 236.8 Kbps (UL) |
| GSM (GPRS) | 107 Kbps (DL), 85.6 Kbps (UL) |
| Interface form | RS 485 (Terminal) x 1, RS 232 (Terminal) x 1 |
| Data Bits | 8 |
| Stop Bits | 1, 2 |
| Parity Bits | NONE, ODD, EVEN |
| Baud Rate | 2400 to 230400 |
| SIM, USIM card | 1.8 V, 3 V |
| Antenna | SMA Female |
| USB | USB 2.0 |
| Indicators | POWER, WORK, NET, LINK, RSSI |
| Reload | Button |
| Input Voltage | 9 V to 36 V |
| Connector | Terminal |
| Housing material | ABS Plastic, Metal |
| Operating humidity | 5% to 95% |
| Storage humidity | 5% to 95% |
| Operating temperature | -22 ℉ to 167 ℉ (-30 ℃ to 75 ℃) |
| Storage Temperature | -40 ℉ to 185 ℉ (-40 ℃ to 85 ℃), -40 ℉ to 194 ℉ (-40 ℃ to 90 ℃) |
| Dimensions | 1.75 in x 1.25 in x 0.55 in (44.5 mm x 31.8 mm x 13.94 mm) 4.39 in x 3.70 in x 1.10 in (111.51 mm x 94 mm x 28 mm) |
