Difference between revisions of "Radiomodem"
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Latest revision as of 16:51, 11 September 2015
- DIGI 1 Watt/900 MHz stand-alone radio modems XTend® RF Modems
- datasheet
- price ~ $300
- Digikey ...$299
- Mouser...246 EU
- Range change ratio: LINE_OF_SIGHT / URBAN = 24.4
From Datasheet: Indoor/Urban range (w/ 2.1 dB dipole antenna): Up to 3000 feet (900 m) Outdoor RF line-of-sight range (w/ 2.1 dB dipole antenna): Up to 14 miles (22 km) Outdoor RF line-of-sight range (w/ high gain antenna): Up to 40 miles (64 km) ... Receive current: 110 mA Transmit current (1 mW - 1W Tpower output): 110 - 900 mA . Idle current (various cyclic sleep intervals): 19 - 39 mA
- Max current only at Transmit
- Cyclic sleep possible
Antenna
- DIGI 5.1 dBi 174 EU
- DIGI 2.1 dBi 20 EU
- DIGI YAGI 11.15 dBi 70 EU