Wireless Microphones System

Wireless Grenade Transmitter Receiver System Suitable for Wired to Wireless Microphone Conversion

ZR-920

1. Adopts wireless digital pilot tone technology
2. The wireless grenade unit enables a wireless transmission system and can provide phantom power as well as power supply for other wired microphones
3. The wired-to-wireless audio transmission system is suitable for phantom-powered wired microphones, conference microphones, interview microphones, etc.
4. UHF wireless transmission with strong anti-interference capability; effective transmission distance of 60–80 meters, capable of receiving signals through walls
1.Frequency range: 612.5–667.25 MHz
2.Reception method: Superheterodyne double conversion
3.Oscillation method: Phase-locked loop (PLL) frequency synthesis
4.Frequency stability: ±10 ppm
5.Adjustable channels: 200 channels
6.Channel spacing: 250 kHz
7.Adjacent channel rejection: ≥70 dB
8.Image frequency rejection: ≥80 dB
9.Receiving sensitivity: –100 dBm to –68 dBm (adjustable)
10.Frequency response: 40–18,000 Hz
11.Overall signal-to-noise ratio: ≥110 dB
12.Overall distortion: ≤0.1%
13.Output impedance: XLR connector 200 Ω; 1/4" connector 1 kΩ
14.Power supply: DC 12 V / 1 A
15.Audio output: 500 mV (6.35 mm mixed output, XLR balanced output)Receiver Specification Parameters
1.Frequency range: 612.5–667.25 MHz
2.Adjustable channels: 200 channels
3.Modulation method: FM
4.Harmonic suppression: ≥70 dB
5.Maximum modulation deviation: 75 kHz
6.Channel spacing: 250 kHz
7.Oscillation method: Phase-locked loop (PLL) frequency synthesis
8.Frequency stability: ±10 ppm
9.RF power: 10–30 mW
10.Frequency response: 40–18,000 Hz
11.Distortion: ≤0.1%
12.Display method: LCD
13.Battery specification: 2 × 1.5 V AA
14.Operating time: 8–20 hours (depending on battery type, capacity, and transmit power)