Function Introduction:

Equipped with advanced digital ID pilot function, completely eliminating interference and frequency hopping phenomena

Adopting 30 level electronic volume control, simple combination

Clear and bright sound quality, ideal for use at a distance of 60 meters

200 selectable frequency points with strong anti-interference ability

Receiver with transmission battery usage display

Equipped with feedback howling suppression and attenuation function, which can effectively reduce feedback howling

Suitable for large and small conference rooms, multifunctional halls, etc.

Parameters:

System indicators:

Frequency range: 640-690MHz

Modulation method: broadband FM

Adjustable range: 50MHz

Number of channels: 200

Channel spacing: 250KHz

Frequency stability: within ± 0.005%

Dynamic range: ＞ 100dB

Maximum frequency deviation: ± 45KHz

Audio response: 40Hz-18 KHz (± 3 dB)

Comprehensive signal-to-noise ratio:>105 dB

Comprehensive distortion: ≤ 0.5%

Working temperature: -25 ℃ -+40 ℃

Acceptance metrics:

Receiver mode: secondary frequency conversion superheterodyne

Intermediate frequency: First intermediate frequency: 110MHz, second intermediate frequency: 10.7MHz

Wireless interface: BNC/50 Ω

Sensitivity: 12dB μ V (80dBS/N)

Sensitivity adjustment range: 12-32 dB μ V

Spurious suppression: ≥ 75dB

Maximum output level:+10dBV

Emitter indicators:

Antenna program: built-in spiral antenna

Output power: High power 30mW; Low power 3mW

Spurious suppression: -45dB

Power supply: three AA battery

Usage time: more than 8 hours at 30mW, more than 12 hours at 3mW