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SECTION 1
SPECIFICATIONS
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GENERAL
• Operating frequency range
: Transmit 440–450
MHz
Receive 440–450
MHz
• Type of emission
: F1D* (GMSK)
*F7W for system operation
• Transfer rate
: 4.8 kbps
• Frequency resolutions
: 5, 6.25 kHz
• Frequency stability
:
±
0.8 kHz (based on 25˚C)
• Usable temperature range
: –10˚C to +50˚C; +14˚F to +122˚F
• Antenna connectors
: Type-N (50
Ω)
×2
• Power supply requirement
: 13.8 V DC
±
15% (Negative ground)
•
Current
drain
:
Transmit (High)
Less than 7.0 A
(Low)
Less than 3.0 A
Receive (Stand-by)
Less than 0.7 A
• Dimensions (proj. not included)
: 483(W)×88(H)×428(D) mm; 19(W)×3
15
⁄
32
(H)×16
27
⁄
32
(D) in
• Weight (Approx.)
: 7.5 kg; 16 lb 9 oz
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TRANSMITTER
• Output power (at 13.8 V DC)
: High 23–30
W
Low 2.0–3.0
W
• Modulation
: GMSK
• Modulation system
: Quadrature modulation (244.8 MHz)
• Occupied bandwidth
: Less than 5.5 kHz
• Spurious emissions
: Less than –60 dB
¤
RECEIVER
• Receive system
: Double-conversion superheterodyne system
• Intermediate frequencies
: 1st 70.0
MHz
2nd 450
kHz
• Sensitivity (BER 1×10
–2
) :
Less than –7 dBµ (0.45 µV)
• Selectivity (20 kHz offset)
: More than 65 dB
• Spurious and image rejection
: More than 70 dB
• Receive spurious
: Less than 2 nW (–57 dBm)
All stated specifi cations are subject to change without notice or obligation.