View source for Radiomodem

*DIGI 1 Watt/900 MHz stand-alone radio modems [http://www.digi.com/products/wireless-modems-peripherals/wireless-range-extenders-peripherals/xtend#overview XTend® RF Modems]
:* [http://www.digi.com/pdf/ds_xtend.pdf datasheet]
:* [http://store.digi.com/index.cfm?fuseaction=product.display&Product_ID=489 price ~ $300]
:* [http://search.digikey.com/us/en/products/XT09-PKC-UA/XT09-PKC-UA-ND/935958?wt.z_cid=ref_octopart_dkc_buynow Digikey ]...$299
:* [http://gr.mouser.com/Search/Refine.aspx?N=4294759230&Keyword=888-XT09-PKC-UA 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''
<br> <br>
Antenna
*[http://search.digikey.com/us/en/products/A09-F5NF-M/A09-F5NF-M-ND/615824 DIGI 5.1 dBi] 174 EU
:[http://www.maxstream.net/pdf/A09-FxNF.pdf datasheet]
*[http://search.digikey.com/us/en/products/A09-HSM-7/A09-HSM-7-ND/615819 DIGI 2.1 dBi] 20 EU
:[http://media.digikey.com/pdf/Data%20Sheets/Digi%20International%20PDFs/a09-hsm-7.pdf datasheet]
*[http://search.digikey.com/us/en/products/A09-Y11NF/A09-Y11NF-ND/615822 DIGI YAGI 11.15 dBi] 70 EU
:[http://www.maxstream.net/pdf/A09-Y11NF.pdf datasheet]
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