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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!
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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) |
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| 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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