E70-433T14S is a professional-grade SMD wireless serial port module powered by the CC1310 SoC, offering 14dBm transmit power and ultra-low power consumption for 433MHz Sub-1GHz secondary development.
| Technical Parameter | Specifications |
|---|---|
| Model Number | E70-433T14S |
| Core SoC | CC1310 |
| Operating Frequency | 425 ~ 450.5 MHz |
| Transmit Power | 14 dBm (Approx. 25mW) |
| Supply Voltage | 2.1 V - 3.8 V DC |
| Interface Type | UART / IO (SMD Package) |
| Antenna Interface | IPEX / Stamp Hole |
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Main Parameters
| RF Parameter | Value |
Remark |
| Working frequency |
425~450.5 MHz |
Default: 433MHz (24MHz oscillator) |
| Transmitting power | 4~14 dBm |
Default: 14dBm（About 25mW） |
| Receiving sensitivity |
-110 dBm |
Air data rate: 2.5kbps |
| Air data rate | 2.5k~168kbps |
Default: 2.5kbps |
| Test distance | 1500m |
In open and clear air, with maximum power, 5dBi antenna gain, height of 2.5m, air data rate: 2.5kbps |
| Hardware Parameter | Value |
Remark |
|
IC |
CC1310F128RGZ |
|
|
FLASH |
128 KB |
|
|
RAM |
20 KB |
|
|
Core |
Cortex-M3（MCU）+Cortex-M0（RF） |
|
|
Size |
16 * 26 mm |
Without SMA |
|
Antenna type |
IPEX / Stamp hole |
|
|
Communication interface |
UART |
Baud rate: 1200~115200, default: 9600 |
|
Package |
SMD |
|
|
Buffer |
2048 bytes buffer |
Defined by user |
| Electronic parameter | Min. | Typ. | Max. | Unit | Condition |
| Power supply |
2.1 | 3.3 | 3.8 | V | |
| Communication level | - | 3.3 | - | V | |
| Transmitting current |
- | 27 | - | mA | 14dBm（25mW） |
| Receiving current |
- | 8 | - | mA |
|
| Sleep current |
- | 1 | - | μA | |
| Operating temperature |
-40 | 20 |
+85 | ℃ | |
| Operating humidity |
10 | 60 |
90 | % | |
| Storage temperature |
-40 | 20 |
+125 | ℃ |
Application
Ultra-Low Power Smart Agriculture
In distributed sensor networks for soil moisture telemetry, the E70-433T14S leverages the CC1310's proprietary sensor controller engine. This allows the module to monitor GPIOs while the main ARM Cortex-M3 core sleeps, significantly extending battery life for remote nodes.
Industrial Building Automation
The 433MHz frequency provides superior diffraction around metallic obstacles and concrete walls in factory environments. Integrated into HVAC control systems, the 14dBm output ensures reliable data hopping across complex floor plans where 2.4GHz signals often fail due to interference.
Advanced Meter Reading (AMR)
For smart water and gas meters, the compact SMD form factor and IPEX interface of the E70-433T14S allow for seamless integration into space-constrained housings. It supports custom protocol stacks required for secure, long-range utility data transmission.
FAQ
Q: How does the CC1310 Sensor Controller within the E70-433T14S optimize power consumption compared to standard MCUs?
A: The TI CC1310 SoC integrated into this module features a dedicated 16-bit RISC sensor controller that operates independently of the main Cortex-M3 processor. It can handle analog and digital peripheral polling at micro-ampere current levels. This architecture allows the E70-433T14S to maintain a ultra-low sleep current while performing periodic sensor measurements, effectively solving the power-latency trade-off in battery-operated IoT devices.
Q: What are the impedance matching requirements when using the IPEX connector versus the stamp hole for antenna integration?
A: The RF output of the E70-433T14S is tuned to a standard characteristic impedance of 50 ohms. When utilizing the IPEX interface, users should ensure the connected feeder cable maintains 50-ohm consistency to prevent signal reflection. If integrating via the stamp hole on a carrier PCB, a 50-ohm coplanar waveguide or microstrip line must be designed, accounting for the dielectric constant and thickness of the PCB material to minimize return loss at 433MHz.
Q: Why is a hardware-only platform like the E70-433T14S preferred for industrial secondary development?
A: By providing a "clean" hardware platform based on the CC1310 without pre-loaded firmware, Ebyte allows engineers to implement specialized protocol stacks such as TI 15.4-Stack, 6LoWPAN, or proprietary Sub-1GHz solutions. This flexibility is crucial for industrial integrators who need to optimize memory allocation, security encryption, and duty-cycle timing at the register level to meet specific field requirements.
