• Conference room, classroom, multifunction hall.

System Parameters
• Frequency Range: 612.25MHz-690.00MHz
• Frequency Band: 612.25-667.00MHz, 640.00-690.00MHz
• Modulation: FM
• Frequency Channel: 400 (200 channels per band, 2 bands in total)
• Channel Spacing: 250KHz
• Oscillation Mode: PLL synthesized
• Frequency Stability: ±10ppm
• Dynamic Range: 100dB
• Audio Frequency Response: 60-16000Hz
• S/N Ratio: ≥110dB
• Distortion: ≤0.5%
• Operating Range: 100m (open area)
• Operating Temperature: -10℃~+50℃
• Receiving Mode: dual conversion superheterodyne
• Intermediate Frequency: 110MHz, 10.7MHz
• Antenna: BNC/TNC/50Ω
• Receiving Sensitivity: -95~-75dBm
• Spurious Suppression: ≥-75dB
• Audio Output: +10dB
• Power Supply: DC 12V
• Power Consumption: ≤14W

G108Z Specifications
• Antenna: built-in
• Spurious Suppression: -60dB
• Output Power: 10~30mW
• Power Supply: 2x1.5V AA battery / 3.7V 18650 li-ion battery
• Battery Life: 10~20h (subject to the battery)

G108H Specifications
• Antenna: built-in
• Spurious Suppression: -60dB
• Output Power: 10~30mW
• Power Supply: 2x1.5V AA battery
• Battery Life: 10~20h (subject to the battery)

G108P Specifications
• Transmitting Antenna: 1/4 wavelength whip antenna
• LCD Display: shows current operating frequency, channel and battery level
• Spurious Suppression: -60db
• Output Power: 10–30mW
• Power Supply: 2x1.5V AA batteries
• Operation Time: 10–20 hours (depending on the battery)
• Weight: 100g
• Dimensions:87×61×23mm

G108C Specifications
• Sensitivity: -45 ±3dB (re 0dB=1V/Pa ＠ 1kHz, RL=680Ω, Vs=1.5V DC）
• Impedance: 680Ω±30% (＠ 1kHz, RL=250Ω±30%)
• Polar Pattern: uni-directional, cardioid
• Signal-to-Noise Ratio: ≥65 dB SPL (A weighted)
• Voltage Reference: DC 5V
• Operating Voltage: 1.1V~10V
• Frequency Response: 70Hz ~20KHz
• Max. SPL: 120dB SPL (THD<1% ＠ 1kHz re 0dB SPL=2X10 Pa ＠1KHz)
• Operating Current: <500μA (re RL =250Ω, Vcc= 5V DC)
• Weight: 82g
• Dimensions: 423*ø19.7mm

G108D Specifications
• Sensitivity: -40 ±3dB (re 0dB=1V/Pa ＠ 1kHz, RL=680Ω, Vs=1.5V DC）
• Impedance: 680Ω±30% (＠ 1kHz, RL=250Ω±30%)
• Polar Pattern: uni-directional, cardioid
• Signal-to-Noise Ratio: ≥65 dB SPL (A weighted)
• Voltage Reference: DC 5V
• Operating Voltage: 1.1V~10V
• Frequency Response: 70Hz ~20KHz
• Max. SPL: 120dB SPL (THD<1% ＠ 1kHz re 0dB SPL=2X10 Pa ＠1KHz)
• Operating Current: <500μA (re RL =250Ω, Vcc= 5V DC)
• Weight: 150g
• Dimensions: 21*27.7*187mm

Lavalier Microphone Specifications
• Sensitivity: -45 ±3dB (re 0dB=1V/Pa ＠ 1kHz, RL=680Ω, Vs=1.5V DC）
• Impedance: 680Ω±30% (＠ 1kHz, RL=250Ω±30%)
• Polar Pattern: uni-directional, cardioid
• Signal-to-Noise Ratio: ≥65 dB SPL (A weighted)
• Voltage Reference: DC 5V
• Operating Voltage: 1.1V~10V
• Frequency Response: 70Hz ~20KHz
• Max. SPL: 120dB SPL (THD<1% ＠ 1kHz re 0dB SPL=2X10 Pa ＠1KHz)
• Polarity: JIS standard ("-" grounding)
• Operating Current: <500μA (re RL =680Ω, Vcc= 5V DC)

Headset Microphone Specifications
• Sensitivity: -40 ±3dB (re 0dB=1V/Pa ＠ 1kHz, RL=2.2KΩ, Vs=1.5V DC）
• Impedance: 2.2kΩ±30% (＠ 1kHz, RL=680Ω±30%)
• Polar Pattern: omni-directional
• Signal-to-Noise Ratio: ≥65 dB SPL (A weighted)
• Voltage Reference: DC 5V
• Operating Voltage: 1.1V~10V
• Frequency Response: 70Hz ~20KHz
• Max. SPL: 120dB SPL (THD<1% ＠ 1kHz re 0dB SPL=2X10 Pa ＠1KHz)
• Polarity: JIS standard ("-" grounding)
• Operating Current: <500μA (re RL =2.2KΩ, Vcc= 5V DC)

• G108 Receiver
1 PC
• User Manual
1 PC
• G108C Gooseneck Mic
Optional
• G108D Short-Stem Mic
Optional
• G108H Handheld Mic with Green Label
Optional
• G108H Handheld Mic with Orange Label
Optional
• G108Z Conference Mic Base with Green Label
Optional
• G108Z Conference Mic Base with Orange Label
Optional
• G108P Earworn/Clip-on Mic with Green Label
Optional
• G108P Earworn/Clip-on Mic with Orange Label
Optional

Note: Mics are sold separately, choose as you need.