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The TW-x is a very versatile family of transmitters providing a wide selection of sensors, weights, belting material and battery life to match the collar with the species and applications. Starting at only 0.8 g and going up to 380 g the TW-x is suitable for monitoring mammals of all groups and sizes.
Home range analysis, Survival rates, Habitat use and movement, Animal behaviour, Translocation studies
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Model | TW-3 10-28 |
TW-3 1/2 AA |
TW-3 2/3 AA |
TW-3 AA |
TW-3 1/2 AA x2 |
TW-3 2/3 AA x2 |
TW-3 AA x2 |
Life [1] (days) | 550 | 1100 | 1800 | 2100 | 2100 | 4500 | 5250 |
Weight [2] (g) | |||||||
Cable-tie | 15 | 25 | 37 | – | – | – | – |
Brass band | 19 | 24 | 29 | – | – | – | – |
BioThane | 35 | 45 | 55 | 140 | 75 | 130 | 150 |
Nylon | – | – | – | 165 | 95 | 150 | 200 |
Leather | 30 | 35 | 90 | 180 | 190 | 200 | 210 |
1. Life based on pulse length 12 ms and pulse rate 30 pulses per minute at 25°C
2. Average weight. Tags for some species require extra protection or range that can increase the weight.
Features and specifications subject to change without notice.
Technical specifications:
Frequency band: 138 – 230 MHz
Channel spacing: 10 kHz (nominal), 12.5 kHz or user-specified
Calibration error: < ± 5 kHz (nominal), or < ± 1.5 kHz for channelized transmitters.
Temperature error: < ± 10 ppm (approx. ± 1.5 kHz) over temperature and voltage range.
Extreme temp: -10 to +55 C (for frequency error)
Working temp: -40 to +60 C
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