Front of the THR880i looks just like almost all Nokia cellular phones. The keys are more apart though and the chassis is more rugged. One design criteria has been that this must be usable with eg. firefighter gloves.
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Back of the THR880i has the two-way controls. A speaker and second mic, and a dial to select talkgroups. The dial has voice feedback, telling the order number of the talkgroup in a folder
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Side view of the THR880i. In addition to the PTT, there is a home-group PTT and a button to scroll through quick menu functions
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The other side of the THR880i has the volume keys which are large enough to be truly usable with anything on users hands.
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Bottom of the THR880i. There is a protective cap available to protect the connectors. Connectors are the usual Nokia connectors, normal car charger works and portable HF equipment etc.
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Size comparison of two radios. TETRA and ASTRO has similar functions, although TETRA is designed more with cellular network topology.
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Size comparison of two radios. TETRA and ASTRO has similar functions, although TETRA is designed more with cellular network topology.
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With THR880i you can make duplex calls just like with a cellular phone. Twoway calls can be made using the phone speaker and mic, too
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Operating THR880i twoway side. Speaker has good audio and PTT is positioned well, although it seems to be in the wrong side.
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Dual-band antenna of the THR880i. The radio includes a GPS receiver to provide positioning information, it's antenna is incorporated with the TETRA antenna.
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TETRA includes SMS features, although it is called SDS (Short Data Service) instead of SMS and has limit of 120 characters per message. This is truly the most important feature in public safety messaging!
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