Mobile Specification: Ericsson R250 (R310)
One of the first attempts to make a proof phone, later Nokia 6250, Siemens M35 and other models appeared.
- Class: cross-country
- Position in the line: the only one in its class
- Rival models: none today
- General features
- Made in Sweden
- Announced in the middle of 2000
- Dual band (GSM900/1800)
- Autonomy:
- Standard GSM SIM
- Talk time: 5 hours 10 minutes
- Walkie-talkie mode: 4 hours
- Standby time: 150 hours
- GSM Pro SIM
- Talk time : 4 hours 30 minutes
- Walkie-talkie mode:: 4 hours
- Standby time : 150 hours
- Waterproof, dustproof and antishock
- Available colours: bright orange/green metalic
- Dimensions: 148×59x32 mm
- Weight: 235 g.
- A phone aimed to youth target group differs in colours and designed to be used when working outdoors, in extreme conditions
- Memory
- Phonebook: 99 phone numbers
- Voice functions
- EFR
- Integrated handsfree speaker
- Ringing tones, call management
- Vibrating alert
- SMS
- 10 templates
- Connectivity
- Organizer and extras
- Alert button
- Walkie-Talkie button
- GSM Pro support
- CPUG
- Group call
- Automatic answer


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