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| Categories | Smart Prepaid Electricity Meter |
|---|---|
| Brand Name: | stron |
| Model Number: | STE18/STE38 |
| Place of Origin: | China |
| MOQ: | 10 |
| Price: | negotiated |
| Payment Terms: | T/T |
| Supply Ability: | 10000PCS per |
| Delivery Time: | 20days |
| Packaging Details: | standard packing |
| Interface Protocol: | UART Digital (3.3V TTL) |
| RF Frequency Band: | 433MHz / 915MHz (ISM Unlicensed) |
| RF Sensitivity: | -121dBm @2kbps |
| Power Consumption: | <1μA (Sleep) / ≤3.8mA (RX) / <100mA (TX @20dBm) |
| Data Rate: | Up to 100kbps (FSK/GFSK) |
| Flexibility: | Spring Pin Connector |
| Operating Voltage: | 3.0V - 3.6V (Typ. 3.3V) |
| FIFO Buffer: | 64-Byte Integrated |
| Package Dimension: | 25.08×20.19×1.62mm |
| Error Correction: | FEC + Manchester Encoding + Data Whitening |
| Certification: | STS |
| Product name: | Prepaid Energy Meter |
| Rated Voltage: | 220-240V/3*220V |
| Standard: | STS Standard |
| Display: | LCD |
| Frequency: | 50-60HZ |
| Warranty: | 2 years |
| OEM: | Support |
| Certificate: | ISO9001; ISO14001; STS Standard |
| Communication: | LORA-RF supported |
| Vending Software: | Supported |
| Recharge Token Length: | 20 digits |
| Protection Class: | IP54 |
| Battery Life: | 8 years |
| Current Range: | (5A/80A)/(10A/100A) |
| Starting Current: | (20mA)/(30mA) |
| Energy Constant: | (1000imp/kWh)/(400imp/kWh) |
| Measurement Accuracy: | Class 1.0 |
| Mobile Payment Support: | M-PESA, Alipay, MTN, Airtel, etc. |
| Overdraft Collection: | daily/monthly optional |
| Data Storage Duration: | 10 years |
| Anti-Tampering: | Both with magnetic field/cover-opening detection; STE18-B cuts relay, STE38-G shuts valve when triggered |
| Recharge Method: | (1. Stronpay Software; 2. 3rd-party/mobile payment)plus 3. AMI system remote recharge) |
| Company Info. |
| Hunan Stron Smart Co., Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
Compact 25mm SMT Design for Industrial IoT & Smart Metering
✅ Blazing 100kbps Speed
Maximize data throughput with FSK/GFSK modulation, ideal for
real-time telemetry in drones, smart meters, and industrial
sensors.
✅ Industry-Leading Sensitivity (-121dBm @2kbps)
Capture weak signals in noisy environments, ensuring reliable links
over long distances.
✅ 1μA Sleep Current & 3.8mA RX Power
Extend battery life by years – perfect for battery-operated IoT
devices.
✅ Triple Data Integrity Protection
FEC (Forward Error Correction) + Manchester Encoding + Data
Whitening combat interference in crowded 433/915MHz ISM bands.
✅ 64-Byte FIFO Buffer
Offload resource-intensive tasks from low-cost MCUs – reduce system
costs by 30%.
| Parameter | Specification |
|---|---|
| Frequency Bands | 433MHz / 915MHz (ISM, license-free) |
| RF Output Power | Up to 20dBm (100mW) |
| Data Interface | UART (3.3V TTL, requires 10kΩ pull-up) |
| Voltage Range | 3.0V–3.6V (3.3V typical) |
| Dimensions | 25.08 × 20.19 × 1.62 mm (L×W×H) |
| Antenna Interface | Spring pin (IPEX-compatible for PCB/external) |
| Temperature Range | Operates: -30°C to +70°C • Storage: -40°C to +85°C |
| Certification Ready | Designed for FCC/CE/RoHS compliance |
|
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