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Lotek - Biotracker VHF Receiver
The Biotracker was designed by fieldworkers familiar with radio-tracking, who understood the need for a small lightweight receiver when out for long days, but still wanted sophisticated features and a long battery life. Moreover, we thought about where the controls needed to be, and where the antenna connection should be, so that it was easy to use. It’s now been manufactured for over 15 years, and is still as popular as when it first emerged.
Small, light and tough:
Built for manual tracking when weight and robustness are as important as sophistication
Ergonomic:
This receiver was designed by experienced radio-trackers who understand where controls need to be
Scanning 256 channels:
Making searching for lost individuals much easier
Flexible power options – rechargeable or primary cell. The receiver can also be powered from external power supplies (e.g. car cigarette lighter).
- Internal speaker & headphones socket
- LCD Back-light – suitable for night tracking
- Dual gain control (keypad buttons and knob)
- Bar chart and numerical display of signal strength
A Biotracker is the best receiver when manually tracking traditional radio-tags and you want a small light receiver with excellent functionality. Requires a hand-held antenna, and VHF tags such as our small PicoPip transmitters or longer-lasting Core and TW tags.
The Biotracker can also be used to locate any GPS tags with VHF beacons.
Model: Biotracker
- Weight (g): 800
- Size (LxWxH) (mm): 150 x 85 x 55
- Battery life (hours): 28 (rechargeable NiMH battery pack),
- 26 (4x primary alkaline ‘AA’ cells)
Features and specifications subject to change without notice.
Frequency Band
- The receiver covers a continuous 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
- 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