The Ebyte E70-433TBL-NW01 is an integrated USB test board kit pre-soldered with the E70-433NW14S 433MHz 14dBm wireless star-network module based on the TI CC1310 solution. Featuring an onboard CH340G USB-to-UART converter and measuring 70x32.6mm, it streamlines PC evaluation, AT command debugging, and rapid deployment of large-scale Sub-1GHz industrial IoT networks.
| Parameter | Specification | Remark |
|---|---|---|
| Model Number | E70-433TBL-NW01 | Official Evaluation Kit |
| Pre-soldered Module | E70-433NW14S | E70-NW Star Networking Series |
| Core Chipset | TI CC1310 | Sub-1GHz Ultra-Low Power SoC |
| Operating Frequency | 425 - 440.5 MHz | 433MHz Band (Default 433MHz) |
| Max Transmitting Power | 14 dBm | Approx. 25mW output |
| USB-to-UART Bridge | CH340G | Direct USB Type-A PC connection |
| Networking Topology | Star Network (Coordinator / Node) | Supports up to 200 nodes per coordinator |
| Board Dimensions | 70 * 32.6 mm | Compact test setup with pin breakouts |
| Operating Temperature | -40 to +85 C | Industrial grade rating |


Practical Application Scenarios
1. Rapid Benchtop Debugging of Industrial Star Networks
Before deploying hundreds of sensor nodes across a manufacturing facility, systems integration engineers must test network stability and command latency. The E70-433TBL-NW01 test board plugs directly into a PC's USB port, utilizing its onboard CH340G bridge to provide immediate access to UART serial commands. Engineers can easily simulate a Star Network Coordinator via Ebyte software, configuring baud rates and channel settings to evaluate how the pre-soldered E70-433NW14S module manages node entry and data routing.
2. Field RSSI Mapping and RF Coverage Verification
When planning a Sub-GHz wireless automated meter reading (AMR) project, field technicians need an efficient tool to measure signal strength across building barriers. By plugging the E70-433TBL-NW01 into a portable laptop or tablet, field engineers can run continuous packet-reception tests in real-time. This allows them to verify 433MHz signal penetration through concrete walls and determine the exact placement strategy for commercial end-nodes and Ebyte Serial-to-Ethernet DTU gateways without setting up external breadboards.
3. Firmware Development for Smart Agriculture Aggregators
In smart farming projects, environmental telemetry (soil moisture, solar radiation) must be aggregated from vast crop fields to a central hub. Embedded developers use the E70-433TBL-NW01 as a reference station connected to a edge computer (e.g., Raspberry Pi or Industrial PC). Developers can write Linux/Python scripts to parse incoming data packets from scattered E70-NW nodes, validating transparent transmission and data packet integrity prior to finalizing custom gateway PCB layout.
FAQ Section
1. Is the E70-433NW14S module removable from the test board?
No, the E70-433NW14S module is permanently pre-soldered onto the E70-433TBL-NW01 PCB via surface-mount stamp holes. This design guarantees optimal RF ground plane integrity and signal stability during testing. All functional GPIO, UART, and power pins of the module are broken out to standard pitch headers for probing.
2. What operating systems are supported by the onboard USB chip?
The test board integrates a standard CH340G USB-to-UART conversion IC. It is natively supported across Windows, Linux, and macOS platforms. Once the CH340 driver is installed, the board appears as a standard virtual COM port, enabling seamless communication through terminal utilities or Ebyte's official configuration software.
3. Can I power the board directly from the USB port during high-power transmission tests?
Yes, the 5V power supplied by standard USB ports provides more than enough current for the E70-433NW14S module, which operates at a max transmitting power of 14dBm (approx. 25mW). The test board includes onboard low-dropout voltage regulation (LDO) to ensure a stable 3.3V operating voltage for the TI CC1310 core during peak RF transmission.