LTE Series (A) DB with LTE-FDD/TDD and GNSS Support
Introduction #
This document introduces the LTE (A) Series evaluation boards which is a high performance board to start working with many LTE modules that this product supports. This document can help to quicky understand features, interfaces, electrical characteristics and mechanical details of the supported products. This document is applicable to the variants and products listed on table 1.
| Model | Description | EICUT Part NO. |
|---|---|---|
| EC200U-EU LTE Ser(A) Evaluation Board | • Based on Quectel EC200UEUAB module • LTE CAT1 2G, GNSS, Bluetooth |
E0270 |
| EC200A-EU LTE Ser(A) Evaluation Board | • Based on Quectel EC200AEUHA module • LTE CAT4 3G 2G, Diverse Antenna |
E0260 |
| EC25-EUX LTE Ser(A) Evaluation Board | • Based on Quectel EC25EUX module • LTE CAT4 3G 2G, Diverse Antenna |
E0200 |
| SLM320E LTE Ser(A) Evaluation Board | • Based on MeiG Smart SLM320E module • LTE CAT1 2G, GNSS, Bluetooth |
E0675 |
| SLM770A LTE Ser(A) Evaluation Board | • Based on MeiG Smart SLM770A module • LTE CAT1 / 2G / GNSS / Bluetooth |
E0261 |
Product Overview #
General Description #
The LTE Series (A) EVB is a wireless communication development board that can be used for educational purposes or as a part of a final product. This board supports LTE-TDD and LTE-FDD, also it can support GNSS and Bluetooth due to the selected variant that was indicated on Table.
Key Features #
| Feature | Details |
|---|---|
| Power Supply | • Supply voltage via USB-C or pin-header • Voltage range: 4.5–5.5 V • Typical: 5 V |
| Cellular Features | • LTE-FDD & LTE-TDD support • GSM/GPRS, Max. 85.6 kbps (DL) / 85.6 kbps (UL) • 3G support for some variants • SMS & Call support |
| GNSS | • GPS / GLONASS / Galileo / BDS / QZSS constellations • Available on EC200U, EC25, and SLM320E only |
| Bluetooth | • Available on EC200U, EC25, and SLM320E only |
| Other Interfaces | • USB 2.0 port (slave mode only) • 14-pin header • Nano SIM (USIM) • SD Card • U.FL antenna connectors • LED indicators • Power Key switch, Reset switch, BOOT switch |
| Physical Characteristics | • Size: — • Weight: — |
| Temperature Ranges | • Operating: −35 °C to +75 °C • Extended: −40 °C to +85 °C • Storage: −40 °C to +90 °C |
| RoHS | • All hardware components are fully compliant with EU RoHS directive |
Interface Overview #
Following Figure indicates the interface definitions of the LTE Series(A) EVB series.
Board Definitions #
| Item NO. | Interface | Reference No. | Description |
|---|---|---|---|
| 1 | Sim Card | SIM1 | Nano SIM connector; compatible with all USIMs. |
| 2 | SD Card | SD CARD | TF (Micro SD) card for data R/W via AT commands or Open CPU. |
| 3 | Push Button | SW1 | USB BOOT selection for flashing and debugging. |
| 4 | Push Button | SW2 | RESET option; connected to the module’s RESET pin. |
| 5 | Push Button | SW3 | POWER KEY to power up the LTE module; works only when the “J1” jumper cap is not present. |
| 6 | Jumper Cap | J1 | POWER KEY. When present, the module powers on when board power is applied. |
| — | 14 Pin-Header | J2 | 14-pin expansion I/O connector. |
| — | BT/Div Antenna | Wi-Fi/BT or Div |
|
| — | GNSS Antenna | GNSS ANT | Active antenna IPEX-UFL; only for EC25, EC200U, SLM320. |
| — | Main Antenna | MAIN ANT | IPEX UFL for main cellular antenna connection. |
| — | LED | D3 | Connected to STATUS pin on LTE module (active-low). |
| — | LED | D2 | Connected to NET STATUS pin on LTE module (active-high). |
| — | LED | D1 | Connected to NET MODE pin on LTE module (active-high). |
| — | LTE Module | U21 | Main LTE module. |
| — | USB TYPE-C | USB | Used for both power supply and USB device data with the LTE module. |
| — | Jumper Cap | J3 | Connected to the module’s VBUS pin; enables/disables the module’s USB device. |
LTE Series (A) Accessories #
The following figure indicates the accessories on the LTE Series(A) EVB package.
Development Board Dimension #
The following Figure indicates the dimensions of the LTE Series(A) EVB.
Dimension and Package #
| Item | Description |
|---|---|
| Dimensions | 58.04 × 78.23 mm |
| G.W Weight | 0.12 KG |
FAQ #