The product covers the PCM 16-bit algorithm for AD conversion, compression and transmission of audio data with a frame design that provides a significant increase in the quality of the received signal, dynamic range expansion and noise resistance improvement radio connection.
The product is designed for high quality digital audio mono encrypted transmission.
The product covers the PCM 16-bit algorithm for AD conversion, compression and transmission of audio data with a frame design that provides a significant increase
the quality of the received signal, dynamic range of expansion and noise resistance improve radio connection.
Complete set:
1. transmitter.
2. receiver.
The carrier frequency of the transmitter is crystal clear. The product has a small size metal case. The transmitter is equipped with an external antenna, microphone and power cord.
The transmitter is switched on as soon as the batteries are installed in the power container. The transmitter shall be maintained operating even if the voltage drops to 2,2 V, together with a corresponding decrease in its power.
The audio receiver is equipped with channel selector, volume control, indication of the level of the signal received and battery status, external antenna connector, Headphone output, rec. output.
819-SPIK High-Quality Digital Radio Link
The product is used for high quality encrypted digital audio mono transmission.
The product applies PCM 16-bit algorithm for AD conversion, compression and transmission of audio-data with frame structure that provides a significant increase in quality of the received signal, dynamic range expansion and immunity improvement of the radio link.
Complete set:
1. transmitter.
2. receiver.
The carrier frequency of the transmitter is crystal controlled. The product has a smallsize metal case. The audio is received with the use special receiver.
Transmitter is equipped with external antenna, microphone, and power supply container.
No Power switch. The transmitter is switched On as soon as batteries are installed in the power supply container. Optionally the transmitter can be completed with remote control link. The transmitter keeps operating even if the voltage drops down to 2.2 In addition to the appropriate decrease of its output power.
The audio receiver is equipped with reception channel selector, volume control, indication of the received signal level and the battery state, external antenna connector, earphones output, rec. output.
SPECIFICATIONS:
TRANSMITTER
Frequency range 416.5 – 423.5 MHz
Dynamic range (microphone input)
No more 83 dB
Audio response (microphone input) 0.2 - 14 kHz
Modulation GMSK
Channel rate 125 kBit/sec.
Output power:
- at 3.0 V 5 mW
- at 6.0 V 20 mW
Range of operation in the field (at 3.0V)
No less 200 m
Supply voltage 2.2 – 6.5 V
Current consumption:
- at 3.0 V No more 10 mA
- at 6.0 V No more 20 mA
Dimensions 30.5 x 9.5 x 4.7 mm
RECEIVER
Frequency range 416.5 – 423.5 MHz
Sensitivity No less 3 μV
Reception channels 16
Current consumption No more 150 mA
Power supply 4 x AA 1.5 V
Dimensions 127 x 106 x 27 mm