A39-T400A21D1a
410–525 MHz, 126 mW, LoRa Spread-Spectrum UART Module, Data Encryption, Point-to-Point Transmission
Key Specifications
RF Chip Solution
LoRa Spread Spectrum Chip
Default Frequency
433MHz
Reference Distance
5km
Air Data Rate
1.2-62.5kbps
Product Details
A39-T400A21D1a is an industrial-grade, high-stability wireless UART module operating in the 410–525 MHz band with 126 mW (21 dBm) output power. Utilizing LoRa spread-spectrum modulation, it achieves a proven line-of-sight transmission distance of up to 5 km.
The module supports versatile transmission modes including Broadcast, Sniffing, Point-to-Point, Master-Slave, Auto-Relay, and Air Wake-Up, ensuring highly reliable data delivery. It also integrates advanced features such as Ultra-Low Power consumption, Configurable Packet Structure, Packet Separators, and Address Output.
Combining comprehensive functionality with exceptional stability, this module is engineered for robust low-frequency wireless data transmission across diverse industrial environments.
Technical Specifications
| RF Chip Solution | LoRa Spread Spectrum Chip |
| Default Frequency | 433MHz |
| Reference Distance | 5km |
| Air Data Rate | 1.2-62.5kbps |
| Package Type | Pin-header |
| Antenna Type | SMA |