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Tallysman® introduces the HC843 and HC843E lightweight dual-band GNSS and Passive Iridium Helical Antenna


Tallysman® Wireless Inc. announced the addition of two new models to its industry-leading line of Helical antennas.

The key feature of the HC843 and HC843E is their two-mode operation. The first mode is dual-frequency GNSS and the second is passive Iridium™ (1616.0 – 1626.5 MHz), which supports both voice and data communications. The antenna operates in GNSS mode when its input voltage is less than 5.5 VDC, and in Iridium mode when it is more than 5.5 VDC.

The HC843 housed and HC843E embedded helical antennas are designed and built for high-accuracy positioning in a very light and compact form factor, making them ideal for many applications, including: autonomous vehicle navigation (land, sea, and air), handheld land survey devices, automotive positioning, and GNSS timing, among others. Both models support GPS/QZSS-L1/L2, GLONASS-G1/G2, Galileo-E1, and BeiDou-B1, including WAAS (North America), EGNOS (Europe), MSAS (Japan), and GAGAN (India).

The HC843 is 44 mm wide and 62 mm tall, weighing only 42 g. It features a precision-tuned helical element that provides an excellent axial ratio and operates without the requirement of a ground plane, making it ideal for a wide variety of high-precision applications. The HC843 also features a low-current, low-noise amplifier (LNA) and pre-filter to prevent harmonic interference from high-amplitude signals, such as 700 MHz band LTE and other nearby in-band cellular signals. The HC843 is enclosed in a robust military-grade IP67 plastic enclosure. The antenna base has an integrated SMA connector, a water-proofing O-ring, and three screw holes to enable secure attachment.

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