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Technical Specifications of HSD-1T Micropower Wireless Data Transmission Module

Modulation method: GFSK Working frequency band: 475MHz Coding method: Efficient forward error correction coding Data format: 8N1 (no parity), 8E1 (even parity), 801 (odd parity) Transmit power: 1dBm to 20dBm optional Sensitivity: -122dBm@ 1200bps Transmission rate: 1200, 2400, 4800, 9600, 19200, 38400, 57600, 76800 Power: TTL: DC +3.6V~+8V or +2.8V~+3.3V: RS485/RS485: DC +4. 5V~+5.5V Interface mode: TTL, RS23, RS485 optional Size: 37. 6mm*21. 6mm*6.0mm (without antenna head) Emission current: <80mA Receive current: <27mA Number of channels: 68 Working temperature: -30 ° C ~ 75 ° C Working humidity: 10%~90% relative humidity, no condensation Communication distance: Open and reliable communication distance > 1500m (1200bps)     The use method of HSD-1T micro power wireless data transmission module; Power supply   The HSD-1T is powered by a DC power supply. It can share power with other devices. If conditions are met, a 5V regulator can be used to supply power separately. It is recommended not to use a switching power supply. In addition, if there are other equipment in the system equipment, it needs to be reliably grounded. If there is no condition to reliably access the earth, it can be self-contained, but it must be completely isolated from the mains.       2. Definition of HSD-1T connection terminal    HSD-1T provides a 5-pin connection terminal J2 and a 3-pin connection terminal J3 (see the following page size structure diagram)           Third, HSD-1T micro power wireless data transmission module factory settings Interface: TTL Channel: 0 Serial port: 9600bps 8N1 Air speed: 9600bps Frequency band: 470M Power: 100MW