Nokia THR420

 
 
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Code THR420 
Announced 1999-03-18 
Collection phone from Finland 

The Nokia TETRA terminals fulfill the following specifications for TETRA radio equipment in the temperature range -20 to+55 Celsius

  • EN 300 392 V+D air interface
  • EN 300 394 V+D conformance testing
  • EN 300395 TETRA speech codec


Frequency Bands

TX RX DMO
380 - 385 MHz
385 - 390 MHz
390 - 395 MHz
395 - 400 MHz
380 - 385 MHz
385 - 390 MHz


Power Class

  • EN 300 392-2 compliant power class 4 (1 W)


Size

  • Weight: 580 g with antenna and standard battery
  • Dimensions: 170 x 60 x 39 mm with standard battery


Keypad

  • Alphanumeric keypad
  • 3 function keys
  • 10 shortcut functions (menu + 0...9)
  • Emergency key
  • Rotary switches for group selection and volume control
  • Arrow keys for scrolling the menu/phonebooks
  • Separate power-on button
  • Keypad lock


Display

  • Dynamic high precision graphics display, 5 lines x 15 characters or 3 lines x 11 characters
  • 6 icons
  • Field strength and charging status indicator bars


Light Indicators

  • 4 coloured lights for operating status indication


Voice Communication

  • Group communication
  • Express call inside TETRA system
  • Individual call inside TETRA system
  • Individual call to/from PABX and PSTN
  • DMO
  • Emergency call
  • Late entry


Data Communication and Messaging

  • Status messaging; max 50 pre-programmed status messages
  • Situation indicators
  • Callback request
  • Text messaging
  • SDS API data interface
  • IP packet data


Other Features

  • Phonebooks: 100 TETRA subscriber numbers, 100 other numbers
  • Group lists: 100 pre-programmed groups, 50 DGNA groups (assigned by dispatcher over the TETRA network)
  • Stack for 10 received status messages, 10 call requests and 40 text messages
  • Scanning with user-definable priorities
  • Speech item queuing
  • User and group priorities
  • Talking party identification
  • Calling line identification
  • Authentication
  • Air interface encryption HW support


Power Management

Battery Standby time Talk time Charging time
NiMh 1500 mAh 15h 1 - 3h ~2h
NiMh 2500 mAh 23h 3 - 5h ~3h

Use time

Battery With usage rate 5/5/90 With usage rate 5/35/60
NiMh 1500 mAh 7 - 9h 5 - 7h  
NiMh 2500 mAh 12 - 15h 9 - 11h