The miniTX transmitter
Small is beautiful
Ergonomically designed
Weighing just 90 grams 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 performance. The MiniTX offers 32 pre-programmed frequencies, with a switching bandwidth of up to 24 MHz (the equivalent of 3 European, 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 alkaline batteries batteries or up to 7 hours on lithium batteries.
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.
miniTX Specifications
| Frequency range | 470 - 960 MHz (specify at time of order) |
| Switching bandwidth | Up to 40 MHz in 25 kHz 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 – 18 kHz |
| Signal-to-noise ratio | >100 dB (±45 kHz deviation) |
| Total harmonic distortion | <0.3% typ. |
| Output Power | 25 mW nominal (50 mW option available) |
| Audio gain control | 0-30 dB (in 8 steps) |
| LF cut | 2 settings; flat, 80 Hz |
| 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 | -20°C to +55°C |
| Weight | 98 grams (including batteries) |
| Dimensions | 48mm (W) x 82mm (H) x 16.5mm (D) |
| Optional Accessories | Flexible clear antennae straight Neoprene Pouch |
