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Delta 6 Family

GSM/GPRS, 3G & ISM Hinged Antenna

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The Delta 6B is a single band WiFi antenna, tuned to 2.4 - 2.5GHz and has a peak gain of 5dBi. Measuring 196mm long to accommodate its ½ wave dipole radiating element it provides superior antenna performance and therefore suits more demanding WiFi applications. Its hinged joint provides a flexible means of setting the antenna at 0, 45 & 90 degrees into its desirable or most optimum position for WiFi transmission. The Delta 6B is commonly used with WiFi, Bluetooth, and Zigbee based applications to help improve the signal strength and performance of short-range terminals.
The Delta 6B is supplied, as standard, with either an SMA male or a reverse polarity SMA male connector (the latter being the common connector type for WiFi modems). This antenna can be built with alternative connectors for volume orders.
 
See DELTA7 Family for more compact versions of Delta 6A, suitable for slightly less demanding, but more space conscious, applications

The Delta 6C is a dual band WiFi antenna, tuned to 2.4 and 5.8GHz and has a peak gain of 5dBi. Measuring 196mm long to accommodate its ½ wave dipole radiating element that provides superior antenna performance and therefore suits more demanding WiFi applications. Its hinged joint provides a flexible means of setting the antenna at 0, 45 & 90 degrees into its desirable or most optimum position for WiFi transmission. The Delta 6C is commonly used with WiFi, Bluetooth, and Zigbee based applications to help improve the signal strength and better the performance of your short-range terminal.

The Delta 6C is supplied, as standard, with either an SMA male or a reverse polarity SMA male connector (the latter being the common connector type for WiFi modems). This antenna can be built with alternative connectors for volume orders.

See DELTA7 Family for more compact versions of Delta 6A, suitable for slightly less demanding, but more space conscious, applications

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New miniature 4G/3G bolt-through antennas

The new Tango 45 and 46 are two new antennas for serious applications in the 4G and 3G frequency bands but where miniature size and weatherproofed design is all important. The two antennas are just 22mm in diameter and the smaller Tango 46 is 22mm tall and the Tango 45 is 63mm tall. Both antennas have a 1/4\" diameter stud for mounting and a rubber O ring for sealing. For their size the two antennas have a good frequency range and gain. The Tango 45 (tall type) 734-960 / 1710-2170 / 2300-2700MHz frequency range with 2/2/4dBi gain at respective frequencies. The Tango 46 (short type) 1710-2170 / 2500-2700 MHz frequency range with 2dBi across all frequencies



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Extend your reach with Siretta quality, low-loss RF cables

Acquiring RF signals in poor reception areas (2G/3G/4G), short range wireless communication (line of sight for 433 and 868 MHz) or WifI connection in large buildings will require high gain antennas placed as high as possible to get the best reception. Problem is that the longer the cable length is from the RF equipment to the antenna, the higher the losses and consequently poorer reception. RG174 and RG58 are standard cables that everyone use for RF work, however the losses per metre escalate rapidly the higher the frequency goes. Antennas with cable lengths of 10M, 15M or 20M will suffer considerable loss over the length. It means that a more powerful transmitter and /or a more sensitive receiver is required. This all comes at a price in one way or another. Better to not have the losses there in the first place. Standard RG58 cable has an approximate loss per metre of 1dB at 2.5GHz - Wifi and Euro 4G frequencies. Bear in mind that a loss of 3dB of signal is actually halving the signal strength it is easy to see why systems are not very sensitive if they have long and standard cables to the antenna. Now take the LLC200 low loss RG58 equivalent it has a solid copper core and 2 levels of shielding and special connectors to accommodate the cable. It has a 0.55dB loss per metre at the same 2.5GHz frequency. Bearing in mind the logarithmic nature of measuring in decibels the signal arriving at the end 20M of RG58 cable at 2.5GHz is about 0.07% of what went it to the cable. Alternatively, using the LLC200 cable the signal arriving at the end of the cable is around 12% of what went in. 0.07% versus 12% is a massive difference in signal strength. This is the case for Siretta\'s low loss cable range! Siretta’s low loss extension cables provide the best solution in minimising losses and giving the required RF signal for a successful and continuous wireless connection. Generally speaking low loss cables are not very available as a stock item, however at Siretta we have a complete range of cable lengths and connector styles from stock or very short lead time. Available in cable lengths from 5m to 20m with a vast number of connector combinations, including, SMA, FME, N-Type and TNC etc. Look for the white cable marker telling that it is a Siretta quality cable, its part no. and length.....



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