User functions:
- user-friendly menu control of all functions
- callable statement for each menu item
- Call answering by pressing any key of answer
- Shutdown
- Radio Mute
- Diversion
- Speed Dial
- Volume control for telephone and keypad tones
- 4 user-selectable ring tones
- 2 languages to choose
- optical switches
- permanent display of the field strength
- permanent display of the battery charge state
- Display of own number
- Call reminder
- The call timer
- Display of call unit
- Multi-frequency selection method, eg for C-Mailbox control – Keylock
Memory functions:
- 39 speed dial memory
- Choice of phone and card memory
- Copy and delete function of the two memory
- Memory status
- Memory link
- Alphanumeric memory
- Notebook Memory for 5 phone numbers and names
- Showing the last 10 dialed numbers
Security features:
- card-related use of barrier
- PIN code request is switched off
- Dial limit
Technical data
| Dimensions | with standard battery | with extended battery | |
|---|---|---|---|
| BTH – 7S | BTH – 7M | BTH – 7H | |
| Height | 172 mm | 172 mm | 172 mm |
| Width | 62 mm | 62 mm | 62 mm |
| Depth | 37 mm | 43 mm | 46 mm |
| Volume | 395 cc | 459 cc | 491 cc |
| Weight | 456 g | 415 g | 530 g |
| Battery | |||
|---|---|---|---|
| Talk time max. | 90 min | 110 min | 150 min |
| Standby Max. | 16 hours | 22 hours | 26 Hours |
C-Net network
| Frequency range | |
|---|---|
| transmission frequency | 460 … 465.75 MHz |
| Receiving frequency | 450 .. 455, 75 MHz |
| Transmit power | max. 750 mW |
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