7-4 VHF2 146-174 MHz Specifications
4.0 VHF2 146-174 MHz
Specifications
General
Transmitter
Receiver
All specifications are subject to change without notice.
Self-Quieter Frequencies
VHF
Frequency: 146-174 MHz
Channel Capacity: 4 or 16 Channels
Power Supply: 7.5 Volts ±20%
Dimensions:
with High Capacity
Li-Ion Battery and
with Standard
NiMH Battery:
with Slim Li-Ion Battery:
128.7mm H x 61.7mm W
x 44.1mm D
128.7mm H x 61.7mm W
x 41.3mm D
Weight:
with Slim Li-Ion Battery
with High Capacity
Li-Ion Battery:
with Standard
NiMH Battery:
365g
420g
480g
Average Battery Life @
(5-5-90 Duty
Cycle):
with Slim
Li-Ion Battery:
with High Capacity
Li-Ion Battery:
with Standard
NiMH Battery:
1 W
17Hrs.
19 Hrs.
13 Hrs.
5 W
12 Hrs.
14 Hrs
10 Hrs
VHF
RF Output
NiMH @ 7.5V:
Low
1 W
High
5W
Frequency: 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
3000Hz)
+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: 146-174 MHz
Sensitivity
12dB EIA SINAD:
0.25 µV (typical)
Adjacent Channel
Selectivity:
-65 dB -70 dB
Intermodulation: - 70dB
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
VHF
151.19375
151.200
151.20625
167.99375
168.000
168.00625
VHF