Reviews Frequency Range

RockvilIe RWM1203VH Wireless (2) Handheld Microphones 4 Church Sound Systems

Ultra signal stability eliminates unwanted distortion, Transmitter automatically links to receiver for ease of use, Use two handheld mics at once, Individual microphone volume controls, Low power consumption for longer battery life, System comes in 4 different frequency options. You can request a specific one in the notes A. 255.1/227.1 MHZ, B. 224.9/256.9 MHZ, C. 228.9/253.4 MHZ, D. 230.8/255.8 MHZ.
Specifications of RWM1203VH: System: Operating Range: 150 feet or more, Channel: Two Channel, Frequency Range: 210MHz - 270MHz, Frequency Response: 40Hz-18KHz, S/N.:>103dB (1KHz-A), Operating Temp: 14°F – 122°F, Oscillation Mode: Quartz Crystal, Frequency Stability: ±0.005%, Harmonic Radiation :< 63dBm.
RF Output Power: 10mW, Power Voltage: AC110V- 60Hz, Mic Battery: AA x 2, Receiver: Sensitivity: (S/N=30dB) >2mV, Audio Output Impedance: 600O, Audio Output Level.: 0-0.5V, Power Supply: AC110V 60Hz, Current Consumption: =50mA, Audio Out Connector: 1/4" unbalanced, Transmitter: Frequency Stability: ±0.005%, RF Output Power: =10mW.

... dual filter design to limit feedback and interference. Ultra signal stability eliminates unwanted distortion..
Transmitter automatically links to receiver for ease of use. Use two handheld mics at once. Individual microphone volume controls. Low power consumption for longer battery life..
System comes in 4 different frequency options. You can request a specific one in the notes, A. 255. 1/227. 1 MHZ , B. 224. 9/256. 9 MHZ, C. 228. 9/253. 4 MHZ, D. 230. 8/255. 8 MHZ.
Operating Range: 150 feet or more. Channel: Two Channel. Frequency Range: 210MHz - 270MHz. Frequency Response: 40Hz-18KHz. S/N. : 003e103dB (1KHz-A)..
Operating Temp: 14° F 122° F. Oscillation Mode: Quartz Crystal. Frequency Stability: ± 0. 005%. Modulation Mode: VHF. Harmonic Radiation : 003c 63dBm..
RF Output Power: 10mW. Power Voltage: AC110V- 60Hz. Mic Battery: AA x 2. Sensitivity: (S/N=30dB) 003e2mV. Audio Output Impedance: 600Ω . Audio Output Level. : 0-0. 5V..
Power Supply: AC110V 60Hz. Current Consumption: ≤ 50mA. Audio Out Connector: 1/4" unbalanced. Transmitter: Frequency Stability: ± 0. 005%. RF Output Power: ≤ 10mW..
Modulation Mode: VHF. Maximum Deviation Range: ± 50KHz. Microphone Mode: Fixed. Power Supply: AA/1. 5V× 2. Current Consumption: ≤ 35mA..

This is a frequency meter based on PIC microcontroller, with crystal vibration measurement function and programmable frequency settings..
With five-digit digital tube display, the measurement data display is intuitive and convenient..
All of them use direct-plug components. The circuit is simple, easy to make, easy to install and debug..
The measuring frequency range of this DIY frequency meter is 1Hz-50MHz, which can measure the oscillation frequency of most commonly used crystal oscillators..
Five-bit resolution (e.g. 0.0050kHz, 4.5765MHz, 11.059MHz) supports automatic range conversion..

High Frequency Driver: Precision balanced armature delivers clear crisp high tonal range.
Low Frequency Driver: 13.5mm Diaphragm delivers deep distortion free low tonal range.
Audio Filters: Shapes the sound for maximum detail.
Passive Crossover: Directs music to high and low range speakers for precise audio reproduction.
Professional Construction: Small form factor lightweight durable design made for active lifestyles.

MAIN FEATURE---Produce Name: LED Hz Indicator.
Applicable: circuit frequency measurement.
20-75Hz MEASUREMENT RANGE---The AC frequency meter is of wide measurement of 20-75Hz.
HIGH ACCURACY---The AC frequency meter is of high accuracy of ±2%, helping to provide you reliable data.
CLEAR DISPLAY---Made of high quality material, the AC frequency meter is of clear display, exquisite workmanship, long service life, and stable working performance.
5 COLORS---The AC frequency meter is of 5 different colors, red, white, blue, green,yellow, you can choose one according to your preference.

High abrasion resistance, sturdy and durable, Transparent casing effectively protect the Frequency Counters body..
Programmable addition and subtraction frequency setting for the measurement of radio transceiver and other equipment..
Automatic range conversion, without human switch.
Can measure most commonly used crystal of oscillation frequency..
The power saving mode can be selected. If the frequency is not changed automatically in 15 seconds, the display will be closed automatically..
The power supply range is wide, which can be powered by USB interface of general motors, or 5-12v or 9V battery for external power supply..

...o limit feedback and interference, Ultra-signal stability eliminates unwanted distortion, Transmitter automatically links to receiver for ease of use, Use two handheld mics at once with no interference, Individual microphone volume controls, Low power consumption for longer battery life, System comes in 5 different frequency options. You can request a specific one in the notes-A. 225. 1/227. 1 MHZ, B. 224. 9/256. 9 MHZ, C. 228. 9/253. 4 MHZ, D. 230. 8/225. 8 MHZ..
Microphone Length: 9. 69”, Microphone Windscreen Diamater: 3. 15”, Microphone Body Diameter: 2. 22”, Receiver Dimensions: 8. 27” x 5. 4” x 1. 57”.
Specifications: System: Operating Range: 150 feet or more, Channel: Two Channel, Frequency Range: 210MHz - 270MHz, Frequency Response: 40Hz-18KHz, S/N. : >103dB (1KHz-A), Operating Temp: 14°F – 122°F, Oscillation Mode: Quartz Crystal, Frequency Stability: 0. 005%, Modulation Mode: VHF, Harmonic Radiation : 2mV, Audio Output Impedance: 600O, Audio Output Level. : 0-0. 5V, Power Supply: AC110V 60Hz, Current Consumption: =50mA, Audio Out Connector: 1/4" unbalanced. Transmitter: Frequency Stability: 0. 005%, RF Output Power: =10mW, Modulation Mode: VHF, Maximum Deviation Range: 48KHz, Microphone Mode: Fixed, Power Supply: AA/1. 5V×2, C....

Standardisation: IEC651 Type 2, ANSI S1. 4 Type 2.
Function: Lp, Leq, Lmax, LN. with Frequency range: 20.0 to 12,500Hz.
Frequency range: 20.0 to 12,500Hz / Frequency weighting: A, C and F (Flat).
Alarm: electron, adjusable, 30-130dB set, LED and optional relay contact (NC) output.
Built-in calibration signals: 94dB at 1kHz (sinusoidal).