sMRT SARfinder base unit with antenna and cable

Technical Information

Control Box Dimensions 165x95x65mm – Aluminium Box (excluding antenna & connectors)
 Control Box Weight 1000gms
 Mounting Options Surface 210mm x 146mm (Opt 1)
o Bracket 260mm (Opt 2) weight 1000gms
 Antenna Base Dimensions 550 mm H x350mm W – PVC Plastic
 Antenna Base Weight 950gms
 Antenna Pole Mounting Bkt 50mm Internal Dia
 Temperature range -20°C + 55°C (Operational)
 Bandwidth 25 KHz
 Modulation AM
 Ports DC12V Power Cable (1m) Antenna Cable (20m)
 Waterproofing IPX67
 Sensitivity 3 dBuV/m (threshold of target bearing resolution)
 Frequencies 121.5 MHz, 121.65 MHz (Test 1), 121.775 (Test 2)
 Criteria of ELT/PLB recognition Audible AM down-swept tone (compliant to ITU-R M.690-2)
 Audio output max. 8Vss (speaker > 8 Ohm)
 Relay contact Floating, carrying capacity max. 0.5 A/10W
 Current Consumption Standby = 300mA – Tracking = 850mA – Alarming 1300 mA
If alarm + ext. speaker (8 Ohm) = 400mA
 Operating Voltage 12V DC (with transient compliance to ISO 7637-2)
 AntennaGain 1.4 dBi nominal
 Bearing detection method Triangular phase delta
 Bearing resolution accuracy 15 @ 10 dBuv/m maximum

 Antenna Triple Coax Cable Impedence: 75 Ω
o Capacitance 60pF / m
o Attenuation / 10 m: 0.28 dB @ 1.5 MHz, 2 dB @ 100 MHz, 4.7 dB @ 500 MHz
o Attenuation / 100 m: 20 dB @ 100 MHz
o Diameter: 7.2 mm
o Operating temperature: –20 → +70 °C
o Coaxial Type : Triple RG179B/U
 Standards Tested to: ETSI EN 301 489-1 V1.5.1 (2004-11)
o ETSI EN 301 489-22 V1.3.1 (2003-11)