RTD-99U - Radio Channel Alarm Communicator
The RTD-99U is a complete Radio Channel Alarm Communicator, featuring on-board Output & Reverse
Power measurement, allowing precise on-site antenna matching and performance monitoring.
Its very small size (100 x 55 x 26 mm.), high output RF power (8 Watt) and low cost, makes it an ideal choice
for Long-Range Wireless Alarm communication in the UHF frequency range.
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Main Features
- UHF (400-500 Mhz, Programmable), 8 Watt output power.
- 8 input zones + Battery Low and Periodic Test report.
- All Galaxy & Motorola data transmission formats - programmable via hand-held programmer
- External display (via a hand-held programmer) of the Output & Reverse RF transmission power, allowing precise on-site antenna matching.
- Fully field programmable of all parameters, inc.: ID No., number of retransmissions, Automatic Test period, Inputs polarity, transmission frequency.
- Digital Alarm output for High VSWR, Low Output Power, Low Input Voltage, No Frequency Locking, etc...
- Enables report on transmission problems on other available communication channels, e.g. Tel. Dialer.
- Carrier transmission test mode: 5 sec. carrier transmission with LED indication on VSWR(antenna matching).
- Low standby current: 6 milli-amp.
- Very small size: 100x55x26 mm.
- Low cost!
RTD-99U RF specifications
Item
Specification
Conditions
Frequency Range
400 .. 500 Mhz
L , M , H
Transmission Power
8 Watt
@13.8 Vdc
Type of Modulation
FE3 (Narrow-band FM)
Frequecy Stability
+/- 1.5 Khz max.
-10°C to +55°C
Channel Spacing
12.5 Khz
25 Khz on demand
Max. Freq. deviation
+/- 2.5 Khz (5 Khz for 25 Khz spacing)
for 100% modulation @ 1 Khz.
Spurious&Harmonics
below -36 dbm
below -30 dbm
< 1 Ghz
> 1 Ghz
Typical Current Cunsumption
6 milli-amp
1.8 Amp
Idle
Transmitting
Max. duty-cycle
10%
Avarage in 5 min.
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