TB7300 REPEATER
A repeater in one rack unit, for a site where radios cannot reach each other directly. It carries two conversations at once on one DMR frequency, and changes between digital and analogue by itself according to what it hears.
- Up to 40 W on UHF, at full power continuously
- Digital and analogue, changing over automatically
- Links to other sites over IP
- Runs from the mains or 12 V
- Frequency, UHF
- 400 to 470 MHz and 470 to 520 MHz
- Frequency, VHF
- 136 to 174 MHz
- Transmit power
- Up to 40 W on UHF, 50 W on VHF
- Duty cycle
- 100%
- Channels
- 4,000
- Digital protocol
- ETSI DMR Tier II and Tier III
- Analogue
- Yes; changes between analogue and DMR Tier II automatically
- DMR channels
- 2 in each 12.5 kHz
- Frequency stability
- ±0.5 ppm
- Interoperability
- Tested under the DMR Association’s programme
- Transmit
- N-type female
- Receive
- BNC female
- Network
- Ethernet RJ45
- Line and control
- 25-way D: four-wire audio and 12 digital inputs
- Management
- Web browser over HTTPS; SNMP v3
- Rack height
- 1U, 19-inch
- Dimensions
- 483 × 44 × 400 mm (W × H × D)
- Weight
- 7.8 kg mains version; 6.7 kg DC version
- Mains
- 120 to 230 V AC
- DC
- 11 to 15 V
- Standby
- 20 W on mains
- Operating temperature
- −30 to +60 °C
