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minitx.jpg

The miniTX transmitter.
Small is beautiful.

Download Data Sheet

Right click the link above and select ‘Save linked file to the desktop’
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Ergonomically designed

Weighing just 90gms including batteries, the MiniTX measures only 82mm high by 48mm wide and is a mere 16.5mm thick. Its small size means it’s easy to hide under even tight clothing and its rounded corners make it comfortable to wear.
It might be small but it is not lacking in features. It offers 32 pre-programmed frequencies, with a switching bandwidth of up to 24MHz (the equivalent of 3 European or 4 U.S. TV channels) and is programmed and controlled using the SwitchIR infra red remote control.

Powering

The miniTX is powered by 2 x 1.5v AAA batteries and can run for up to 5 hours on standard batteries batteries or up to 7 hours with lithium batteries.

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SwitchiR infrared controlled
This unit is controlled by the SwitchiR, a key-fob sized Infrared remote control. Using the SwitchiR’s four buttons and LCD display, the unit can be switched on and off, frequencies checked and changes and battery levels monitored – all without ever needing to touch the unit itself.
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miniTX Specifications

Frequency range 470 – 960MHz (specify at time of order)
Switching bandwidth Up to 40MHz in 25kHz steps
Number of frequency tables 1
Number of factory pre-set frequencies 32
Modulation mode Wideband FM
Frequency stability ±0.002%
Audio frequency response 50 – 18kHz
Signal-to-noise ratio >100dB (±45kHz deviation)
Total harmonic distortion <0.3% typ.
Output power 25mW nominal (50mW option available)
Audio gain control 0-30dB (in 8 steps)
LF cut 2 settings; flat, 80Hz
Input connector Lemo™ 4 pin locking (3 pin option available)
Control Infra-red key-fob remote
Battery type 2 x 1.5V Alkaline LR3 AAA size
Battery life 5 to 7 hours depending on battery type
Audio Ltd recommend use of NiMh
Operating temperature range -20º C to +55º C
Weight 98 grams (including batteries)
Dimensions 48mm (W) x 82mm (H) x 16.5mm (D)
Optional accessories Flexible clear antennae straight
Neoprene Pouch


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