Features Good Compatibility With Miners: Designed for LoRa IoT applications, this module works seamlessly with all helium miners, including Nebra and RAK V2 hotspot miners Wide Application Across Devices: Ideal for all 43Hz mining machines and antennas, ensuring stable structure, excellent performance, and a long service life High Performance Signal Filtering: Optimized to effectively filter out-of-band signals, reducing noise and enhancing the dynamic range for improved signal quality Specific Frequency Range: Features a center frequency of 43Hz with a 3dB passband of 422-446MHz, offering low insertion loss and minimal interference for reliable operation Durable SMA Interface Design: Compact structure with standard SMA interfaces ensures stable connections, providing good stability and strong practicality for various applications Features: 1、GOOD COMPATIBILITY: Designed for LoRa IoT application, compatible with all helium miners on the market, such as for Nebra HNT hotspot miner, for RAK V2 hotspot miner, etc. 2、WIDE APPLICATION: Suitable for all 43Hz mining machines and antennas, the low pass filter has stable structure, excellent performance and long service life. 3、HIGH PERFORMANCE: The band pass filter has optimized performance, which can effectively filter out out of band signals, reduce noise and increase dynamic range. 4、FREQUENCY RANGE: The center frequency of this bandpass filter is 43Hz, and the 3dB passband is 422？446MHz, with low insertion loss and l interference. 5、SMA INTERFACE: The bandpass filter has a compact structure, with standard SMA interfaces, stable connection, good stability and strong practicability. Specification: Item Type: Bandpass Filter Material: PCB Impedance: 50 Ohms Center Frequency: 43Hz 3dB Passband: 422-446MHz Insertion Loss: between1.8dB at 430-438MHz Maximum Carrying Power: 100mW (20dBm) Interface: SMA Interface Package List: 1 x Bandpass Filter Note: Pay attention to the correct operation Package List 1 x Bandpass Filter