Return to Home Page
Lotek products Lotek services Insight Corporate profile Contact us Lotek news
Freshwater habitats Terrestrial habitats Marine habitats Avian habitats
Radio telemetry Acoustic telemetry Satellite tracking Archival tags
 
 
SRX_400

SRX 400
Receiver/Datalogger

     

The Lotek SRX 400 is a rugged 4 MHz telemetry receiver and datalogger with advanced tracking capabilities and enough flexibility to support manual tracking, automatic datalogging, direction finding and unmanned, remote data acquisition.

Built to Lotek's exacting quality standards, the SRX 400 forms the telemetry backbone for some of the most sophisticated radio and acoustic tracking projects being conducted around the world today.

As part of a complete telemetry system, it works with a range of peripherals and a comprehensive library of operating software to help deliver previously unimaginable insights into the movements and behaviour of fish and wildlife.

 
         
Applicable
Habitats
   
FreshwaterTerrestrialMarineAvian
 
         
Key Features
   

The SRX 400 has many advantages over other receivers and dataloggers, including the capacity for:

  • Simultaneous monitoring of multiple frequencies

  • Remote operation via cellular phone, radio modem, satellite, etc.

  • Tracking up to 212 individuals on a single frequency

  • Downloading of data via computer

  • Identification of transmitters as sensors, beepers or coded devices

  • Multiple antenna switching / monitoring for macro and micro scale movements

  • Ultrasonic and radio frequency monitoring with the same machine

  • Upgradability to other firmware configurations
Detailed list of SRX 400 features and benefits

 


 
         
Specifications
   
General
Operating Voltage Range 11-18 VDC
Operating Current less than 150 mA @ 12v

Battery Life
(from full charge to recharge state)

Standard:
   18 hrs. @ 20°C (LCD back light off)
   13 hrs. @ 20°C (LCD back light on)

Memory Retention Battery 10 years shelf life; 6 months with main battery discharged
Operating Temperature Range -30°C to +50°C (LCD: -20°C)
Weight 3.2 kg Standard
Size 22.0 x 20.4 x 8.8 cm
Program Memory 64k/128k
Data Memory 128k standard. Can be extended to 512k or 1MB (optional)
Electrical
Operating Frequency Any 4 MHz band in the 140-230 MHz range (contact your Lotek representative concerning any additional frequency requirements).
Channel Spacing 1 kHz
Frequency Stability 5 ppm
Sensitivity
Maximum discernible audio level -150 dBm
Minimum discernible by software -135 dBm
Selectivity
Adjacent channel selectivity 70 dB (10 kHz step)
Spurious Responses
1/2 IF 70 dB
Image 70 dB
Other 70 dB
Intermodulation 65 dB
RSSI Signal Level Response -135 dBm min.
-40 dBm max. resolution 0.25 dB
Dynamic Gain Control Range 90 dB

 

 
         
Product Details
   

Follow these links for more detailed information on the SRX 400 receiver / datalogger:

 

 
         
Related Products
   

Other Lotek receivers/dataloggers:

The SRX 600 receiver/datalogger
The DRX 600 digital signal processing receiver
The Biotracker wide band waterproof receiver
 
         
         
Product Sheet
   

 Full SRX 400 product sheet (425 KB) in PDF format.

 


Freshwater | Terrestrial | Marine | Avian
Radio | Acoustic | Satellite | Archival
Home | Products | Services | Insight | Company | Contact | News | Site Map