Relacart CR1 Single Channel Wireless Microphone System
Model: RELA-CR1
Part Number: CR1
Brand: Relacart
CR1 Is a highly cost-effective UHF wireless microphone system, compatible with smart phones (3.5mm interface), digital/SLR cameras, portable cameras, recorders, tablets and other equipment to help pick up high-fidelity audio. It is suitable for interviews, microfilm recording or commercial demonstrations and other applications. The transmitter supports microphone input interface, and the receiver has earphone monitoring function. The effective working distance is about 80 meters in the open space. Both transmitter and receiver have the function of key lock to prevent user from misoperation.
Product Features
Broad Compatibility
Widely compatible with smartphones, DSLR, camcorders, recorders, PC.
UHF Wireless Transmission Band
UHF wireless transmission, providing high fidelity sound source.
Real-Time Monitoring
Real-time monitoring has a real-time monitoring function.
Multi-Frequency Switching
10 switchable frequency points for operation without environmental interference.
DSP Audio Digital Extension
Digital audio compression of DSP reduces the noise in wireless transmission system to the lowest level.
Adjustable Volume
Adjustable volume The volume of the receiver and transmitter can be adjusted arbitrarily to adapt to the volume level of different devices.
Product Specifications
| RF carrier frequency range | 521.25MHz-936.85MHz |
| Frequency stability | 0.005% |
| Effective working distance (ideal environment) | ≥80 meters |
| Audio companding | DSP digital audio companding |
| Audio frequency response | 50Hz-1600Hz ±3dB |
| Dynamic range | 85 dB |
| Signal-to-noise ratio (A-weighted) | 80 dB |
| Total harmonic distortion | ≤1%,@1KHz |
| Operating temperature range | -10℃ ~ +50℃ |
| Receiving bandwidth | 470MHz~960MHz |
| Receiving method | superheterodyne |
| Image rejection | 45dBm |
| RF sensitivity | when inputting 10dBu, S/N ≥ 45dB |
| Squelch adjustment | built-in setting parameters |
| Frequency synchronization method | manual key setting |
| Maximum output level | LINE: 0.5Vpp; Phone: 1Vp |
| Output level adjustment range | 30-level adjustable, attenuated adjustment, every 2dB step |
| Output impedance | 400Ω |
| Power supply | AA 1.5V x 2 |
| Normal working current | 3V 150mA |
| Battery usage time | ≥8.5 hours |
| Dimensions (mm) | 95 x 65 x23 |
| Net weight (without battery) | 100g |
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