User's Manual

Page 22 Lotek Biotracker Receiver User’s Manual
Biotracker Specifications
The Summary Specifications Table below gives at-a-glance features that make the
Biotracker receiver so different from the crowd.
The Full Specifications Table overleaf lists specifications, their values and explains
what they mean and why they are important in practical terms for animal radio-tracking.
Sentences in bold italics are the key ways in which you should judge receiver
performance.
Summary Specifications Table
Frequency Band  The receiver covers a 4, 8 or 30 MHz band on frequencies
between 138.000 and 174 MHz
 Fine tuning in 1kHz or 0.1kHz steps
Functions and
Controls
 Direct frequency entry from the membrane keypad (no need to
enter MHz part of frequency each time a frequency is set)
 256 user-programmable channels
 Scanning of all or selected channels
(scan interval 1 to 999 s, settable to 1 s resolution)
 Internal speaker
 Headphones socket (switches out internal speaker)
 LCD Back-light (automatic switch-off after 4 minutes)
 Dual gain control (keypad buttons and knob)
 Control of frequency, channel & gain from a PC serial port (RS232)
 Bar chart and numerical display of signal strength
Environmental
Specification
 Fully water-proof (to IP65)
 Operating temperature range: –20 to +50°C (battery charging
temperature range: 5 to 35°C)
 Temperature stability: +/- 1 kHz over –20 to + 50°C
Electrical &
Mechanical
Specification
 Minimum Discernible Signal: -150 dBm over entire frequency band
 Gain Control Range: 90 dB
 Power supply: internal battery pack, external power supply (DC,
10.5-15V, >500 mA) or four internal rechargeable or primary
(non-rechargeable) AA cells.
 Battery Life: 28 hours on internal NiMH battery pack
 Weight: 800g including strap and battery
 Size: 150 x 85 x 55 mm (6 x 3.25 x 2 inches)