Internal SDAR / XM Antenna

Inquiry PDF

Product Description

  • High Gain & Low Noise
  • ESD Resistance up to 8KV (Contact Dischange)
  • Waterproof for Better Reliability
  • Sirius and XM Radio Compatible


  • Performance Enhancement for Satellite Digital Audio Radio Systems with a Switch Circuit for an Optional Antenna
  • Sirius Radio (U.S.) compatible car/ table/ portable radios and other kinds of radios
  • XM Radio (U.S.) compatible car/ table/ portable radios and other kinds of radios

Product Specification

Phsical Condition
Dimensions: 72.5mm (OD) x 8.5mm (H)
Weight: 30grams (w/o cable & connector).
Cable & Connector
RF cable: RG174
Pulling strength: 6 Kg @ 5sec. molded plastic on connector end for strain relief.
Connector SMA / SMB / SMC / MCX / MMCX / BNC / TNC / ------
Antenna Element
Center Frequency: 2338.75 MHz +/-6.25 MHz
Polarization: R.H.C.P. (Right Handed Circular Polarization).
Absolute Gain @ Zenith: +2 dBi typical.
Gain @ 10o Elevation: 1 dBi typical.
Axial Ratio: 3 dB max.
Output VSWR: 2.0 max
Output Impedance: 50 ohm
Low Noise Amplifier
Center Frequency: 2338.75+/-6.25 MHz
Power Gain: 30db +/-1db
Bandwidth: 10 MHz min.
Noise Figure: 1.0 typ
Outer Band Attenuation: 10 dB min. @ Fo +/-10 Mhz.
Supply Voltages: 4~5.5V DC.
Current Consumption: 4V : 10.3 mA Typical
4.5V : 12 mA Typical
5V: 13 mA Typical
5.5V: 15 mA Typical
Output Impedance: 50W ohm
Overall Performance: (antenna element, LNA & coax cable)
Center Frequency: 2338.75+/-6.25 Mhz.
Gain: At 90° vertical to sky 30 ± 4.5dBi (cable loss)
Note:1 Mounted on the 60mm x 60mm square ground plane
Noise Figure: 1.0 max.
Axial Ratio: 2 dB max.
Bandwidth: 10 MHz min. @S11≤-10 dB
VSWR: 2.0 max.
Output Impedance: 50W ohm
Operating Temperature: -40°C~ +85°C.
Storage Temperature: -40°C~ +90°C.
Relative Humidity: 95% non-condensing.
Water Resistance: 100% waterproof.

*This specification is subject to change without prior notice / Data Updated: Jan 11, 2006
Note:1:Cable Loss=(-1.2dB/m)