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Biotracker - rainproof, wide-band radio receiver

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  • Overview
  • Features
  • Specifications
  • Photos
  • Product Sheet

Introducing the Biotracker receiver.

  • Rainproof & dust-tight
  • Up to 30 MHz frequency band (within 138-174 MHz)
  • Small, light & tough
  • 256 user-programmable channels
  • Scanning function
  • Frequency table upload from a PC
Frequency Band
  • The receiver covers an 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
  • Water-resistant 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)
Standard Accessories
  • User manual
  • Frequency upload software (running on a PC)
  • RS232 cable and RS232 - USB converter
  • International mains power supply (for charging internal battery)
  • Car 12V power lead (for charging from a car)
  • Headphones
  • Battery holder for AA cells
  • Spare connector covers and battery compartment screws
Frequency Bands: 8 or 30 MHz bands between 138 & 174 MHz
Explanation

Sensitivity: MDS -150 dBm
Explanation

Selectivity: 6 dB: 2 kHz 60 dB: 4 kHz
Explanation

Gain Control Range: Receiver gain 90 dB
Explanation

Channels: Number of channels (user programmable): 256
Explanation

Scanning: Minimum scan interval: 1 second Maximum scan interval: 999 secs (16 mins and 39 seconds)
Explanation

Weight: 800g
Explanation

Size: 150 x 85 x 55 mm / 6 x 3.25 x 2 inches
Explanation

Rainproofing: Method: Neoprene & silicone seals. Rating: IP65
Explanation

Frequency Stability: Over -20 to +50 C: < 2.5 kHz. Over time: < 1 kHz in first year (slower change thereafter)
Explanation

Tuning: N/A
Explanation

Battery life:
Rechargeable NiMH battery pack (4 x 'A' NiMH cells): 28 hours
Primary alkaline 'AA' cells: 26 hours
NiMH 'AA' Rechargeable cells: 20 hours
NiCad 'AA' Rechargeable cells (not recommended): 10 hours
Explanation

External power supplies: 10.5 - 15 V
Explanation

Back-light on LCD: On-time: 256 secs (4.3 mins)
Explanation

Frequency table upload software
Explanation