A telephone handset for the professional user.
Particularly suitable for universal use.
Its robust design and adjustable built-in pre-amplifier make the Commander 4012-01/NL particularly suitable for universal use.
Combined with the base unit supplied as standard, the Commander 412012 can be mounted anywhere, such as in control rooms, vehicles or on the bridge of ships, locks and bridges to operate the transmitter/receiver or public address system.
Key features in brief:
- Robust telephone handset with built-in transmit switch (PTT key)
- Output level adjustable with jumper plug (5mV/500mV) (adjustable using different resistor value
- Microphone preamplifier with adjustable sensitivity
- Adjustable volume of the telephone capsule
- Transmitter output (PTT) using an open collector output (to ground or to Vcc)
- Multiple telephone handsets can be connected in parallel to the transceiver because the microphone signal is switched on only when the transmit switch is pressed
- Supply voltage 12 V DC (from the transmitter/receiver) with built-in fuse
- Standard length of spiral cable at rest is ± 30 cm
- Special customer-specific handsets optionally available
- Spiral cables in all sizes and lengths optionally available