Features: 1. Using LoRa modulation and demodulation technology, it has anti-interference and long-distance communication characteristics2. Using the original SX1262 scheme, it has - 148dBm receiving sensitivity and 22dBm transmitting . Support preamble detection, with , automatic subcontracting, 960 byte cache function3. Support sending, RSSI output, AT instruction set setting. Support AES encrypted communication to data transmission security4. Support multi-level relay networking to increase wireless communication distance. Support upper computer configuration and firmware upgrade, and support customized firmware in quantities5. High quality components such as TCXO are used for stable operation under harsh conditionsSpecifications:SX1262 LoRa DTU-HF: HF version frequency is 850~930MHz; Applicable to Europe, America and OceaniaCommunication interface:Interface type: terminal block: RS485 x 1,RS422 x 1; DB9 male: RS232 x 1; SMA-KE female: 6dBi omnidirectional antenna x oneRS485: Anti surge, over-current protection (120R balance resistance pin reserved)RS232: TVS tube protection, surge and anti-static protectionRS422: Anti surge, over-current protection (120R balance resistance pin reserved)Wireless parameters:Frequency band: Sub GHz (850~930MHz)Signal modulation: LoRaEncryption type: AESTransmission :+22dBm MaxReceiving sensitivity: - 148dBmSerial port parameters:Baud rate: 1200~115200bpsCheck bit: None, odd check, even checkData bits: 8-9 bitsFlow control: no flow controlSize: 77.0 x 24.0 x 64.2mmMaterial: aluminum alloycolour: blackPackage Contents:1 x SX1262-LoRa-DTU-HF1 x 868/915M sucker antennaOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.