Diamond SRJ775 UHF/VHF antenna SMA
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Diamond SRJ775 UHF/VHF antenna SMA is backordered and will ship as soon as it is back in stock.
The Diamond SRJ775 is a compact, telescopic UHF/VHF antenna for handheld radios and walkie-talkies. This dual-band antenna is suitable for transmitting and receiving on the 2-meter and 70-centimeter amateur bands and also offers reception on various other frequency ranges. Thanks to its seven-section telescopic design, you can extend the antenna from just 16.5 cm to a maximum of 45 cm.
The SRJ775 features an SMA-Female (SMA-J) connector and has a maximum power rating of 10 watts. This makes this handheld UHF/VHF antenna an interesting choice for radio amateurs looking for a compact antenna for use with a suitable dual-band handheld.
What is the Diamond SRJ775?
The SRJ775 is a portable dual-band antenna from Diamond for VHF and UHF. The antenna is designed for the 2-meter band (144 MHz) and 70-centimeter band (430 MHz) and can be used for transmitting and receiving on both amateur bands.
For 144 MHz, the antenna has a 1/4-wave design, and for 430 MHz, a 1/2-wave design. The specified antenna gain level is 2.15 dBi.
In addition to use on the amateur bands, the antenna can be used for reception on several other frequency ranges. This makes the SRJ775 not only interesting for radio amateurs but also for users who want to listen to different frequencies with a suitable handheld or receiver.
Telescopic UHF/VHF antenna with seven sections
A key feature of the Diamond SRJ775 is its telescopic antenna whip. This consists of seven extendable sections and has a length of approximately 16.5 cm when retracted and a maximum of 45 cm when fully extended.
This telescopic UHF/VHF antenna thus combines a compact size for transport with the ability to extend the antenna further during use.
Weighing only 46 grams, the antenna also remains relatively light. This is practical for use on a handheld radio, where a large and heavy antenna can be less comfortable.
Transmit on 2 meters and 70 centimeters
The Diamond SRJ775 is designed for transmitting and receiving on 144 MHz (2 meters) and 430 MHz (70 centimeters). The maximum transmit power is 10 watts, and the specified impedance is 50 ohms.
It is important to distinguish between transmit and receive capabilities. The broader frequency coverage of the SRJ775 does not mean that you can transmit across the entire receive range.
According to the product specifications, the antenna is also intended for reception around 120, 150, 300, 450, 800, and 900 MHz. This means the SRJ775 offers additional possibilities for broadband reception with suitable equipment.
For handheld radio and walkie-talkie
Thanks to its portable design, the SRJ775 is particularly intended for use with handheld radio equipment. The antenna features an SMA-Female connector.
According to the provided product information, the connector can be used with various handhelds from brands such as Baofeng, Wouxun, and Yaesu. Always check the connector of your specific walkie-talkie or handheld before purchasing. Not every model from a brand necessarily uses the same antenna connector.
The combination of dual-band use, broadband reception, and a telescopic design makes this Diamond antenna suitable for both mobile amateur use and listening to various frequency ranges.
Key features
Dual-band: transmit and receive on 144 MHz (2 m) and 430 MHz (70 cm).
Broadband reception: additional reception around 120, 150, 300, 450, 800, and 900 MHz.
Telescopic design: seven sections with a length of approximately 16.5 to 45 cm.
SMA-Female connector: for compatible handheld radios and walkie-talkies.
Maximum 10 watts: 50 ohm impedance and specified gain of 2.15 dBi.
Compact for transport, extend for use
The strength of the Diamond SRJ775 lies mainly in the combination of size and versatility. Retracted, the antenna measures only 16.5 cm, making it easy to carry. For use, the seven-section antenna whip can be extended to 45 cm.
This gives you one telescopic UHF/VHF antenna for both the 2-meter and 70-centimeter bands, while also being able to use the broader reception capabilities with suitable equipment.
Looking for a compact dual-band antenna for a handheld with an SMA-Female connector? Order the Diamond SRJ775 from Deltron and choose a telescopic antenna for 2 meters, 70 centimeters, and broadband reception.
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