AT RF1325 25 Watts VHF Duplex Transceiver Package
 | The mobile package with power output up to 25 W (50 W) is designed to be built in all types of caterpillar and wheel vehicles. The radio modem built in AT ZM13.1 (ZV13.1) amplifier in direct line software version features full duplex data transmission. The modem is compatible with MD13.1 and MD13.2. |
Technical parameters
| Frequency range | 30.000 MHz to 87.975 MHz |
| Input impedance | 50 Ω |
| Output impedance | 50 Ω |
| Channel spacing | 25 kHz |
| Number of channels | 2320 |
| Channel selection | from transceiver keyboard or handset |
| Operating modes | simplex or semiduplex telephony or data transmission 16 kbit/s |
| duplex data transmission with 16 kbit/s baud rate | |
| Voice encryption | through internal digital scrambler |
| RF power output controllable in three steps | 0.2 W decreased, 5 W nominal, 25 W(50 W) increased |
| Receiver sensitivity | better than 0.5 μV at 12 dB SINAD |
| Modulation | FM, max. deviation 5.6 kHz |
| Effectively transmitted frequencies range | |
| for F3 operation | 300 Hz to 3400 Hz |
| for data | 150 Hz to 9000 Hz |
| Interface for connection of PC | RS232C |
| Data transmission rate in radio channel | max. 16 kbit/s |
| Data transmission modulation GMSK | bit rate 16 kbit/s |
| Modulation signal level for 4 kHz deviation | |
| in F3 mode | 100 mV |
| in DATA mode | 430 mV ± 50 mV |
| AF amplifier output power | 1 W in loudspeaker with impedance 6 Ω |
| AF frequency range | 300 Hz to 3 000 Hz in 6 dB range |
| Nominal power supply voltage | |
| RF1325 | 12 V or 27 V |
| RF1350 | 27 V |
| Power supply voltage range | |
| RF1325 | 10 V to 33 V |
| RF1350 | 18 V to 33 V |
| Current consumption | |
| reception | max. 0.5 A |
| transmission 5 W | max. 1.3 A |
| transmission 25 W | max. 10 A at 12 V |
| max. 5 A at 27 V | |
| transmission 50 W | max. 8 A |
| Continuous operation time in +50 °C | |
| 25 W | min. 2 hours |
| 50 W | min. 30 min |
| Operating temperature | –30 °C to + 60 °C |
| Set dimensions including the frame | W 428 mm x H 270 mm x D 290 mm |
| Set weight including frame | max. 18.5 kg |
Components
- Duplex VHF transceiver AT RF13D
- Power amplifier 25 W (P2P) AT ZM13.1
- Co-site filter AF13
- Co-site filter AF13.1
- Frame
- Frame
- Frame
- AF cable
- AF cable
- AF cable
- RF cable