ranges 824-960 MHz and 1710-1880 MHz. It is suitable for field surveying, light and durable,
the length is about 20 cm, the gain is 2 dBi .
Fig. 3.7 – Gprs/gsm antenna (not in scale)
For S8, it is possible to use like additional accessory (not included in the standard
configuration) a high-gain UHF all-directional transmitting antenna for base setup. The
available ranges are: 410-430 MHz, 430-450 MHz and 450-470 MHz. The antenna is around 1
meter long and can be mounted on a retractable pole or a tripod for better performance. The
higher the antenna is, the larger cover area does it has for the radio signal. The gain of the
antenna is 5 dBi.
Fig. 3.8 –External radio antenna (not in scale)
III.4 Cables
Receiver standard cable
This is a multi-function communication cable: it is used for connecting receiver (by a 7-pins
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