User manual for the Desheng SGC-200W wireless camera microphone, covering features, specifications, installation and troubleshooting.
The SGC-200W wireless camera microphone is designed for news interviews, video recording and program hosting. It offers UHF wireless transmission, automatic frequency matching, real‑time monitoring, low‑cut noise reduction and dual‑channel output for flexible audio handling.
The manual provides detailed product features, package contents, technical parameters, installation methods for cameras, DSLRs, smartphones, operation instructions, safety warnings and troubleshooting tips. This manual is written in Chinese.
| Frequency range | 470~960 MHz (segmented) |
|---|---|
| Channel mode | Single‑channel / Dual‑channel |
| Number of channels | 50 (single) or 25 A + 25 B (dual) |
| Modulation | FM |
| Frequency stability | ±0.015 % |
| Signal‑to‑noise ratio | ≥92 dB |
| Distortion (line out) | ≤0.8 % at 1 kHz |
| Maximum operating distance | ≈100 m (open area) |
| Microphone type | Capacitive omnidirectional |
| Internal power source | 2 AA alkaline batteries |
| External power interface | Type‑C USB |
| Antenna connector | SMA, 50 Ω |
| Receiver sensitivity | ≤‑80 dBm |
| Audio output | 3.5 mm line out + 3.5 mm headphone out |
| Headphone output power | 25 mW (RMS) @ 32 Ω |
| Battery life (single channel) | ≈10 h |
| Battery life (dual channel) | ≈8 h |
| Dimensions (L×W×H) | 90 × 65 × 25 mm |
| Weight (transmitter) | ≈93 g |
The device can work up to about 100 meters in an open area.
The transmitter is powered by two AA alkaline batteries.
Turn the low‑cut switch to the ON position; it filters out frequencies below 200 Hz.