7-3 VHF Specifications
7.3 VHF Specifications
General Transmitter
Receiver
All specifications are subject to change without notice.
VHF
Frequency: 136-162 MHz
146-174 MHz
Channel Capacity: 4 or 16 Channels
Power Supply: 7.5 Volts ±20%
Battery Dimensions:
with
High Capacity NiCd
and High Capacity
Li-Ion:
127.5mm H x 61.5mm W x
45mm D
(5.0” H x 2.4” W x 1.75” D)
Battery Dimensions:
with
NiMH:
Slim Li-Ion:
130mm H x 62mm W x
43mm D
(5.11” H x 2.44” W x 1.69” D)
130mm H x 62mm W x
42mm D
(5.11” H x 2.44” W x 1.65” D)
Battery Weight:
with
High Capacity NiCd:
High Capacity Li-Ion:
NiMH:
Slim Li-Ion:
425g (14.98 oz.)
370g (13.04 oz.)
444g (15.7 oz.)
374g (13.2 oz.)
Average Battery Life
@ (5-5-90 Duty
Cycle):
High Capacity NiCd:
High Capacity Li-Ion:
NiMH:
Slim Li-Ion:
1 W
10 Hrs.
19 Hrs.
13 Hrs.
17 Hrs.
2 W
9 Hrs.
17 Hrs.
11 Hrs.
14 Hrs.
5 W
8 Hrs.
14 Hrs.
10 Hrs.
12 Hrs.
Battery Capacity
(mAH):
High Capacity NiCd:
High Capcity Li-Ion:
NiMH:
Slim Li-Ion:
1100 mAH
1800 mAH
1400 mAH
1600 mAH
VHF
RF Output
NiMH @ 7.5V:
Low
1 W
High
5 W
Frequency: 136-162 MHz
146-174 MHz
Channel Spacing: 12.5/20/25 kHz
Freq. Stability:
(-30°C to +60°C)
0.00025%
Spurs/Harmonics: -36 dBm < 1 GHz
-30 dBm > 1 GHz
Audio Response:
(from 6 dB/oct. Pre-
emphasis, 300 to
3000 Hz)
+1, -3 dB
Audio Distortion:
@ 1000 Hz, 60%
Rated Max. Dev.
<3%
FM Noise: -40 dB (12.5 kHz)
-45 dB (25 kHz)
VHF
12.5 kHz
VHF
20/
25kHz
Frequency: 136-162 MHz
146-174 MHz
Sensitivity
12dB EIA SINAD:
0.25 µV (typical)
Adjacent Channel
Selectivity:
-65 dB -70 dB
Intermodulation: - 70 dB
Freq. Stability
(-30°C to +60°C):
0.00025%
Spur Rejection: -75 dB
Image and 1/2 I-F
Rejection:
-70 dB
Audio Output
@ <5% Distortion:
500 mW