S Y S T E M - S P E C I F I C A T I O N S
| Frequency range | 735-795MHz |
|---|---|
| Modulation method | Broadband FM |
| Adjustable range | 60MHz |
| Number of channels | 300 |
| Channel spacing | 200KHz |
| Frequency stability | within ±0.005% |
| Dynamic range (typical) | >105dB |
|---|---|
| Maximum frequency deviation | ±45KHz |
| Audio response | 40Hz-18KHz (±3dB) |
| Comprehensive SNR | >110dB |
| Comprehensive distortion | ~0.2% |
| Working temperature | -25C–+40C |
R E C E I V E R - S P E C I F I C A T I O N S
| Receiver mode | double conversion superheterodyne |
|---|---|
| Input power | 5W |
| Intermediate frequency | the first intermediate frequency: 110MHz, the second intermediate frequency 10.7MHz |
| Wireless interface | BNC/50Ω |
| Sensitivity | 12 dBμV (80dBS/N) |
|---|---|
| Sensitivity adjustment range | 10-32dBμV |
| Spurious suppression | ~95dB |
| Maximum output level | +10 dBV |
T R A N S M I T T E R - S P E C I F I C A T I O N S
| Antenna program | wearable transmitter adopts 1/4 wavelength whip antenna, handheld microphone built-in antenna |
|---|---|
| Output power | 20mW |
| Spurious suppression | -60dB |
| Power supply | two AA batteries |
|---|---|
| Use time | about 8-10 hours |
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