Communication Module HT-SDR-1400-36
HT-SDR-1400-36 is independently developed by Zhongxun Huitong Technology. It adopts a Software Defined Radio (SDR) architecture to realize MESH networking, and can be used for different distances by matching power amplifiers of various power levels. It supports MESH networking, with a maximum bandwidth of 20 MHz, a maximum throughput of 47 Mbps, intelligent frequency selection, AES256 encryption, and range extension mode.
Product description
Product Features
HT-SDR-1400-36 is an independently developed product by HTTEC (Beijing Zhongxun Huitong Technology Co., Ltd.), adopting a Software Defined Radio (SDR) architecture to achieve MESH networking.
It can be configured with different power amplifiers to support various communication ranges.
It supports MESH networking, up to 20 MHz bandwidth, maximum throughput of 47 Mbps, intelligent frequency selection, AES-256 encryption, and range-extension mode.
Features
- Supports MESH networking
- Multiple output power options: 30 dBm, 36 dBm, 40 dBm, 46 dBm
- Supports 5 MHz, 10 MHz, and 20 MHz bandwidth
- Supports 1.4 GHz frequency band (customized models)
- Maximum transmission distance up to 500 km
- Supports automatic frequency control
- Provides two Ethernet ports
- Provides three serial ports: two RS-232 and one 3.3 V TTL
Applications
- UAV and UGV ad-hoc networking communication
- Long-range wireless transmission over sea
- Point-to-multipoint medium-range communication
- Power grid and hydrology line inspection and observation
- Firefighting, security, and emergency communication
Typical Specifications
| Model | Input Voltage (V) | Max Power Consumption (W) | Max Output Power (dBm) |
|---|---|---|---|
| HT-LTE1400-30 | 18 – 28 | 15 ± 5 | 30 |
| HT-LTE1400-36 | 24 – 28 | 45 ± 10 | 36 |
| HT-SDR-1400-40 | 24 – 28 | 80 ± 20 | 40 |
| HT-SDR-1400-46 | 24 – 28 | 180 ± 25 | 46 |
Frequency Configuration
HT-SDR-1400-XX supports multiple frequency bands, which cannot be modified by the user.
| Band | Frequency Range |
|---|---|
| 1.4 GHz | 1350 – 1450 MHz |
| TBD | TBD |
Factory default configuration provides fixed 1.4 GHz frequency.
Transmit Power
HT-SDR-1400-XX provides several maximum output power versions, including 30 dBm, 36 dBm, 40 dBm, and 46 dBm, depending on application requirements.
Smart Frequency Selection
HT-SDR-1400-XX supports intelligent frequency selection through real-time spectrum scanning across the entire network.
Each node automatically adjusts its working frequency based on the electromagnetic environment and interference, forming a dynamic frequency-adaptive MESH network that effectively avoids interference.
Bandwidth Configuration
Supports 5 MHz, 10 MHz, and 20 MHz channel bandwidths.
Transmission Distance
Supports software-defined distance limitation, up to 500 km, configurable per application scenario.
Interfaces and Indicators
With the digital interface facing downward, the indicator lights from left to right are:
- LED1: Power indicator – Green: power on; Red: FPGA loading complete → off
- LED2: Signal strength – Green (strong), Yellow (medium), Red (weak), Off (none)
- LED3: Link status – Green: linked; Red: disconnected
- LED4: Ethernet port 1 indicator
- LED5: Ethernet port 2 indicator
Power Connector: XT30PW-M, GND/VCC
Ethernet 1/2: PH2.0-4, RX-, RX+, TX-, TX+ (10/100 M)
Dual Serial: PH2.0-6, R1/GND/T1, R0/GND/T0 (RS-232)
Single Serial: PH2.0-3, R2/GND/T2 (TTL 3.3 V)
Sensitivity and Throughput (20 MHz Bandwidth)
| Distance Mode | UDP Data Rate (Mbps) | Notes |
|---|---|---|
| 10 km | 1.5 – 47 | |
| 30 km | 1.4 – 43 | |
| 50 km | 1.3 – 40 | |
| 100 km | 1.1 – 34 | |
| 200 km | 0.8 – 26 | |
| 500 km | 0.4 – 15 | 10 MHz = ½ rate, 5 MHz = ¼ rate |
