ALDENA Aluminum Broadband Dipole

FM Broadband Dipole 87.5 – 108 MHz

ANTENNA FEATURES

Dipole antenna.
Vertical polarization.
Broadband, 87.5 to 108 MHz.
Omnidirectional radiation pattern.

ELECTRICAL DATA

WORKING BAND:	87.5 – 108 MHz
BANDWIDTH:	VHF band FM
GAIN:	1.8 dBd (3.95 dBi)
VSWR:	≤ 1.27:1 (-18.5 dB)
POLARIZATION:	Vertical
IMPEDANCE:	50 Ohm unbalanced
HALF POWER BEAMWIDTH:	E-Plane – 71° H-Plane – 192°
LIGHTNING PROTECTION:	All metal parts DC grounded, including inner conductors

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specification	Technical Specification For Net-Log Audio Specification Input Impedance: >10kΩ balanced. Maximum Input Level: +20dB. Distortion: <0.1% @ 1kHz + 16dBu. Signal to Noise Ratio: 90 dB RMS A wtd. 22kHz bandwidth. Wow and Flutter: Unmeasurable. Phase Error at 10kHz: Unmeasurable. Rear Panel Connections, Controls and Indicators Analogue Inputs: 4 x XLR 3 pin socket. Input Level Controls: 4 x Rotary pre-set potentiometers. Network: RJ45 10Mbps ethernet. Network Status LEDs: Rx, Tx, link and collision. RS232: 2 x 9 way D-type plug. Alarm Outputs and Remote Inputs: 15 way D-type plug. Power: IEC Power plug, 95-265 VAC, 47-63Hz. Controls and Indicators Front Panel Controls: Record control to instantly start recording Front Panel Power Indicator: Power LED (blue) Front Panel Alarm Indicators: 2 x Alarm LEDs, disk drive alarm LED (red), archive alarm LED (red) Front Panel Level Indicators: 4 x Analogue input level LED, 1 for each channel (green, orange, red) Rear Panel Network Indicators: 4 x LEDs, receive (RX), transmit (TX), link and collision LEDs Additional Information Sample Rates: 16kHz, 22.05kHz, 24kHz, 32kHz, 44.1kHz and 48kHz Audio Format: Mpeg layer 2 with bit-rates as below and G.729 low bit rate Recording Types: Mono, dual mono, stereo Hard Disk Capacity: A minimum hard-disk size of 1TB is fitted. The maximum size of hard-disk that can be used in this product is 2TB. PC Soundcard Needed: Any windows compatible soundcard that can play PCM (.wav) audio files Equipment Type Net-Log-01 Net-Log 4 channel audio logger, with large hard disk (contact sales@sonifex.co.uk for current sizes available) Net-Log-Win01 Net-Log Windows™ software – 2 stream licence. Net-Log-Win05 Net-Log Windows™ software – 5 stream licence Net-Log-UPS01 1U rack-mount UPS for use with Net-Log Net-Log-G729 G.729 software licence for one Net-Log (up to 4 mono channels). Physical Specification External Dimensions: 1U 19” rack x 22cm deep 48cm (W) x 22cm (D) x 4.2cm (H) (1U) 1U 19” rack x 8.7” deep 19” (W) x 8.7” (D) x 1.7” (H) (1U) Boxed Dimensions: 55.2cm (W) x 29.5cm (D) x 16.5cm (H) 21.7" (W) x 11.6" (D) x 6.5" (H) Weight: 2.5kg – 5.5lbs
features	Key Features of Net-Log Dedicated reliable multi-channel recording hardware. Easy to use Windows™ remote operation for playback, archiving, streaming and configuration. Independently configurable channel pairs to record at different sample rates, different bit rates and in mono or stereo. Recording duration configuration of the channels to suit your needs, e.g. 2 channels of low quality logging for 12 months together with two channels of high quality logging for 1 month, on one machine. Record inputs can be controlled remotely, e.g. snoop recording from mic-live output of a mixer. Automated voice recording – each channel can start and stop recording automatically by setting audio threshold levels, which means that it can be used for voice controlled systems and telephony recording. Up to 250, 000 recordings per channel can be made. Each Net-Log has its own IP address, so a number of machines can be installed on the same network. Fail-safe alarm indicators and remotes. Password protection and security access rights to system. Support for hard disk sizes up to 2048GB. Recordings can be made using optional G.729 algorithm, allowing longer recordings and lower network traffic. G.729 audio quality is comparable to MPEG L2 at 32kbits/sec when used to record/playback speech. Recording on Net-Log can be controlled serially by Crestron and Televic board room controllers.