Top Wideband Frequency Scanner Reviews

HMC472 Digital RF Attenuator Module DC-3.8GHz Parallel 0.5dB Step 31.5dB Attenuation Value

Attenuation Factor and Step Size :The HMC472 is a wideband 6-bit digital attenuator with an attenuation range of 0 to 31.5 dB and a typical step error of ± 0.25 dB..
Operating Frequency Range :Adopt QFN surface mount package, uses single power supply 5V, working frequency range from DC to 3.8 GHz..
Insertion Loss :Insertion loss is less than 2.0 dB (typical) and IIP3 is +54 dBm..
Objects Used :Suitable for a variety of RF and IF applications..
Attenuation Control Interface :Manually adjust the control through the 6-position pin header on the board..

Std. SMA 50 ohms connector, wideband Nagoya NA-773 telescopic antenna incl. Ampl. resolution: 0.5dBm.
Frequency stability and accuracy (typical): +-10ppm.
Amplitude stability and accuracy (typical): +-3dBm.

"Black bullet" high quality, high gain HT antenna. Increase the performance on your handheld or wideband scanner with a Diamond RH series antenna. Compact design, +120-900 receive..

Std. SMA 50 ohms connector, wideband Nagoya NA-773 telescopic antenna incl. Ampl. resolution: 0.5dBm.
Frequency stability and accuracy (typical): +-10ppm.
Amplitude stability and accuracy (typical): +-3dBm.

Product Type :Gps Or Navigation Accessory.
Package Dimensions :1.092 Cm L X5.892 Cm W X39.700 Cm H.
Increase The Performance On Your Handheld Or Wideband Scanner With A Diamond Srh Series Antenna.

10 and 12 meter bands. 16 programmable/erasable frequencies. Programmable repeater split..
Large frequency display with dimmer. New backlit display. Dual panel meters..
Improved receiver design for increased sensitivity and image rejections. Receiver clarifier ( plus/minus 0.5kHz)..
Variable output power control. Noise blanker/ANL circuitry. Frequency selector lockout..
Double FET balanced mixer for improved receiver intermodulation rejection. Active frequency scanner. Continuous duty built-in AC power supply..

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4. PREMIUM QUALITY: This Wideband antenna features an N-Female connector that facilitates the transfer of high-frequency information. The female....
5. EASY SETUP: Yagi Cell Antenna is a roof antenna, it is designed for exterior installation and use on stationary objects such as buildings or....

Lock-out Function - skip over specified channels or frequencies when scanning or searching.
Tune - find new and unlisted frequencies starting from a specified frequency,200 Channel memory - plenty of memory to store all your favorite frequencies in 10 separate storage banks.
Scan Delay - delays scanning for two seconds before moving to another channel in order to hear replies.
Priority Channel - set the scanner to check one channel every two seconds while scanning.
PC programmable - allows users to backup data, update database and program scanner directly from a PC.
IN THE BOX : Analog Hand-held Scanner, AC Adapter, Flex Antenna, Black Battery Shell, Yellow Rechargeable Battery Shell, User Guide, Quick Start Guide.

10 and 12 meter bands. 16 programmable/erasable frequencies. Programmable repeater split..
Large frequency display with dimmer. New backlit display. Dual panel meters..
Improved receiver design for increased sensitivity and image rejections. Receiver clarifier ( plus/minus 0.5kHz)..
Variable output power control. Noise blanker/ANL circuitry. Frequency selector lockout..
Double FET balanced mixer for improved receiver intermodulation rejection. Active frequency scanner. Continuous duty built-in AC power supply..

Lock-out Function - skip over specified channels or frequencies when scanning or searching.
Tune - find new and unlisted frequencies starting from a specified frequency,200 Channel memory - plenty of memory to store all your favorite....
Scan Delay - delays scanning for two seconds before moving to another channel in order to hear replies.
Priority Channel - set the scanner to check one channel every two seconds while scanning.
PC programmable - allows users to backup data, update database and program scanner directly from a PC.

PC, smartphone and tablet headset: Easy to connect and switch between devices.
Rich digital stereo sound: Laser-tuned speaker drivers, built-in equalizer and noise-cancelling mic for crystal clear calls and music*. Sensitivity (microphone)- -47dBV/Pa +/- 3dB. Sensitivity (headphone)- 97dB +/-3dB.
40 ft. wireless range: Listen and chat up to 12 m from your PC-or pair with your smartphone or tablet using Bluetooth. Input impedance: 32 Ohms.
Six-hour rechargeable battery : Listen and chat longer with easy USB charging. Frequency response (Headset): Wideband: 30Hz to 15KHz, Narrowband: 40Hz to 3.2KHz. Frequency response (Microphone): 100Hz to 6,500Hz.
Padded comfort: Adjustable padded headband and sculpted ear cups for a feel-good fit.

Lock-out Function – skip over specified channels or frequencies when scanning or searching.
Tune – find new and unlisted frequencies starting from a specified frequency.
Priority Channel – set the scanner to check one channel every two seconds while scanning.
Scan Delay – delays scanning for two seconds before moving to another channel in order to hear replies.
PC programmable – allows users to backup data, update database and program scanner directly from a PC.