The HT-SDR-1400-40 is independently developed by Beijing Zhongxun Huitong Technology Co., Ltd. It adopts a Software Defined Radio (SDR) architecture to implement MESH networking and can be paired with power amplifiers of different levels to achieve varying transmission distances.
Key Features:
- Supports MESH networking
- Maximum 20 MHz bandwidth
- Maximum throughput of 47 Mbps
- Intelligent frequency selection
- AES-256 encryption
- Extended range mode
| Feature | Description |
|---|
| MESH Networking | Supports MESH network formation |
| Maximum Output Power | 30 dBm, 36 dBm, 40 dBm, 46 dBm (depending on model) |
| Channel Bandwidth | Supports 5 MHz, 10 MHz, 20 MHz |
| Frequency Band | Supports 1.4 GHz band (customizable) |
| Maximum Transmission Distance | Up to 500 km |
| Frequency Control | Supports automatic frequency selection |
| Ethernet Ports | 2 × Ethernet ports |
| Serial Ports | 3 × serial ports: 2 × RS232 level, 1 × 3.3V TTL level |
| Parameter | Specification |
|---|
| Frequency Bands | HT-SDR-1400-XX supports multiple frequency bands; users must not modify them. |
| Band | Frequency Range |
| 1.4G | 1350–1450 MHz |
| TBD | TBD |
| Note | Factory-configured 1.4G band is provided |
| Parameter | Specification |
|---|
| Maximum Output Power | Multiple versions available: 30 dBm, 36 dBm, 40 dBm, 46 dBm; choose according to application scenario |
| Feature | Description |
|---|
| Smart Frequency | Supports intelligent frequency selection. All nodes dynamically adjust their operating frequency based on real-time spectrum detection, electronic environment, and interference, using a predefined frequency list for dynamic, interference-avoiding MESH networking. |
| Parameter | Specification |
|---|
| Channel Bandwidth | Supports 5 MHz, 10 MHz, 20 MHz |
| Parameter | Specification |
|---|
| Distance | Software-limited distance, up to 500 km; actual limit depends on the application scenario |
| LED | Color/Status | Meaning |
|---|
| LED 1 | Green | Power ON |
| Red | FPGA download complete (OFF) |
| LED 2 | Green/Yellow/Red | Signal strength (strong → weak) |
| LED 3 | Green | Link established |
| Red | Link disconnected |
| LED 4 | - | Ethernet 1 status |
| LED 5 | - | Ethernet 2 status |
| Interface | Type & Pinout | Description |
|---|
| Power | XT30PW-M | GND, VCC |
| Ethernet 1 | PH2.0-4 | RX-, RX+, TX-, TX+, 10/100M Ethernet |
| Ethernet 2 | PH2.0-4 | RX-, RX+, TX-, TX+, 10/100M Ethernet |
| Dual Serial | PH2.0-6 | R1, GND, T1, R0, GND, T0; RS232 level |
| Single Serial | PH2.0-3 | R2, GND, T2; TTL 3.3V level |
| MCS | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
|---|
| Single Antenna Sensitivity (dBm) | -101 | -98 | -95 | -92 | -88 | -86 | -83 | -80 | -77 |
| Dual Antenna Sensitivity (dBm) | -104 | -101 | -98 | -95 | -91 | -89 | -86 | -83 | -80 |
| SNR (dB) | -8 | -5 | -2 | 4 | 7 | 10 | 13 | 16 | 19 |
| Distance Mode | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
|---|
| 10 km | 1.5 | 3.2 | 6.4 | 13 | 20 | 26 | 33 | 40 | 47 |
| 30 km | 1.4 | 2.9 | 5.9 | 12 | 18 | 24 | 31 | 37 | 43 |
| 50 km | 1.3 | 2.7 | 5.5 | 11 | 17 | 22 | 28 | 34 | 40 |
| 100 km | 1.1 | 2.4 | 4.7 | 9.6 | 14 | 19 | 24 | 29 | 34 |
| 150 km | 0.9 | 1.9 | 4.0 | 8.3 | 12 | 16 | 21 | 25 | 29 |
| 200 km | 0.8 | 1.7 | 3.6 | 7.4 | 11 | 14 | 18 | 22 | 26 |
| 250 km | 0.7 | 1.5 | 3.2 | 6.6 | 10 | 13 | 16 | 20 | 23 |
| 300 km | 0.6 | 1.4 | 2.9 | 6.0 | 9.1 | 12 | 15 | 18 | 21 |
| 400 km | 0.5 | 1.1 | 2.4 | 5.0 | 7.6 | 10 | 12 | 15 | 18 |
| 500 km | 0.4 | 1.0 | 2.1 | 4.3 | 6.6 | 8.8 | 11 | 13 | 15 |
Note:
- The data rate for 10 MHz bandwidth is approximately half of 20 MHz.
- The data rate for 5 MHz bandwidth is approximately one-quarter of 20 MHz.
| Parameter | Specification |
|---|
| Dimensions | 225 × 191 × 47.5 mm |
| Weight | 2.5 kg |
