Description
Product s:
RFD900X digital transmission is a data transmission module specially designed and developed for model drones over long distances
Compact size and excellent performance. 902-928MHz communication band
With a transmission distance of 40km and above and a transmission rate of 250kbps
Features:
1.No distinction between transceiver and transmitter design.each module is integrated with USB serial chip.USB and UART interface automatically switch.USB priority;
2.Operating frequency range 902-928MHz.ISM band.
3.Transmitting circuit is designed with low noise amplifier greater than 20DB.and low-pass filtering unit is added;
4.Adjustable transmitting power.maximum 1W transmitting power;
5.High-sensitivity LNA and SAW circuit in front of the receiving circuit;
6.Outdoor communication distance of 40 km or more(depending on antenna performance and communication rate requirements);
7.Over-the-air data rate up to 250Kbps;
8.Dual antenna interface.supporting antenna diversity and differential antenna configuration;
9.Support local radio AT command configuration and remote radio RT command configuration;
10.With module temperature monitoring function.automatic duty cycle adjustment according to temperature to avoid overheating;
11.Operating temperature -40 to + 85 degrees Celsius;
Details:
Supply voltage:rated 5V.minimum 4V.maximum 5.5V
Transmitting current:~1A (maximum power mode)
Receiving current:~60mA
Size:33mm*53mm*9.5mm
Weight:23g
Communication rate: 4.8.16.19.24.32.48.64.96.128.192.250kbps
Indoor distance: 500m – 1km
Outdoor direct vision range: 40km or more. depending on antenna performance
Transmit power: 0 to 30dBm. 1dBm adjustable in steps
Receive sensitivity: > 121 at low rates. > TBA at high rates
Low noise amplifier: >20dB
Characteristics:
Serial data interface level: standard 3.3V. up to 5V
Configuration method: AT command. APM Planner. custom configuration tool
Operating frequency band: 902MHz -928MHz
Spread Spectrum Technology: FHSS (Frequency Hopping Spread Spectrum)
Serial rate: 2400.4800.9600.19200.38400.57600.115200bps
Optional antenna: Yagi. ? wave dipole. ? wave monopole antenna
Compliance Standards：FCC Part 15.247.AS/NZS 4268:2008
Network Security
Addressing method: Network ID:0 -499
Channels: up to 50 FM channels
Topology network support:point-to-point.point-to-multiple(point-to-multiple need to brush version 2.X firmware to support)
Package Inludes:
RFD900A digital transmission module(23g) ×2
5DB SMA internal pin antenna (16.7g) ×4
Micro-USB data cable ×1
Pixhawk flight control UART connection cable/ZH1.25 interface × 1
Pixhawk flight control UART cable/GHS1.25 latch interface ×1
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