Xbee 900Mhz Telemetry System

Xbee is a radio module based on the Zigbee protocol that we use for our telemetry system. A comparison between all the models is found on Sparkfun and on the Xbee website

Specs and Documentation

Mini-USB Adapters: 

https://www.parallax.com/product/32400

XBee-Pro 900 XSC S3B (XBP9B-0DPST-001)

• RF Data Rate: 10-20 kbps
• Frequency: 900Mhz
• Power: Up to 250mW (software selectable)
• Range: 610m Indoor, 14km with dipole antenna, 45km with high gain antenna
• Supply Voltage: 2.4 to 3.6 VDC
• Product Link: https://www.parallax.com/product/32411
• Datasheet: https://cdn.sparkfun.com/datasheets/Wireless/Zigbee/90002173_N.pdf or Xbee900ProS3BDatasheet.pdf

XBee-PRO S1 802.15.4 extended-range module w/ RPSMA connector (XBP24-ASI-001)

• RF Data Rate: 250 kbps
• Frequency: 2.4Ghz
• Power: 60mW
• Range: 100m indoor, 1.6km outdoor
• Supply Voltage: 2.8 - 3.4VDC
• Retrieved from: https://www.digi.com/pdf/ds_xbeemultipointmodules.pdf
• Datasheet: https://cdn-shop.adafruit.com/datasheets/Xbee+series+1+DS.pdf or XbeeSeries1Datasheet.pdf

Antennas:

• Smaller ground antenna (for testing):
  • Gain: 2dBi
  • RPSMA female connector
  • Link: https://www.parallax.com/product/32410
• Larger Antenna (on plane)
  • Dont know model, or gain, or even if its a 900Mhz