XM-650 SDAR (Satellite Digital Audio Radio) Antenna  

SDAR / XM Antenna For Marine - XM-650
SDAR / XM Antenna For Marine
Product Description
  • High Gain & Low Noise
  • ESD Resistance up to 8KV (Contact Discharge)
  • 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 Specifications
Physical Condition
Constructions: Polycarbonate radome,detachable cable/connector for easy mount, rubber-O-ring between top radome and screw base for  waterproof
Dimensions: 60mm(Dia.) x 90mm(H)
Weight: 200grams (w/o cable & connector).
Color: Standard in ivory white, other colours available upon request.
Mounting: Bulkhead mount with 0.8 inch threaded wing nut (standard accessory).
Mounting Adapters Pole mount to 1"-14 UNS threaded mast
Base mounting FB1 1"-14 UNS
Cable & Connector
RF cable: SMA(M) +10 meter RG58 +TNC(M) (standard) other length (optional)
Pulling strength: 6 Kg @ 5sec. molded plastic on connector end for strain relief.
Connector TNC(F) or SMA(F)
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 90o  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~ +85deg;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: JUL.02, 2010