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Radius SP21 Portable Radio
Technical
Specifications
| General
Specifications |
| Operating
Frequency Range |
VHF
(151 - 159 MHz)*, UHF (462 - 470 MHz) |
| Channel
Bandwidth |
12.5
/ 25 kHz (programmable) |
| Channel
Capacity |
1 |
| Power
Supply Voltage |
7.2
volts DC (6 cell, 2/3 AF battery pack) |
| Dimensions |
4.5"
H x 2.5" W x 1.2" T (114.3 x 63.5 x 30.5
mm) |
| Weight |
11
oz. (312 g) |
| Average
Battery Life |
@
5-5-90 Duty Cycle Rechargeable Ni-Cad Battery: 8
hours |
| Seal
Integrity |
Satisfies
IP52 specification |
| Shock
Stability |
Satisfies
TIA/EIA 603 specification |
| Vibration
Stability |
Satisfies
TIA/EIA 603 specification |
| High
Humidity |
Satisfies
TIA/EIA 603 specification |
| Transmitter
Specifications |
| RF
Output |
2W |
| Carrier
Frequency Stability |
2.5
ppm |
| Modulation
Limiting |
+/-
2.5 kHz (12.5 kHz Bandwidth)
+/- 5.0 kHz (25 kHz Bandwidth) |
| Audio
Sensitivity |
10
mV |
| Audio
Distortion |
10% |
Audio
Frequency Response (variance from a true 6 dB per
octave
pre-emphasis curve referenced to 1 kHz, from 300
Hz to 3 kHz) |
+1
to -3 dB |
| FM
Hum and Noise Ratio |
34
dB |
| Radiated
Spurious |
-13
dBm |
| Emissions |
(50
uW) † |
| Adjacent
Channel Power Ratio |
50
dBc |
| FCC
Modulation |
11K0F3E,
16K0F3E |
| Receiver
Specifications |
| Channel
Spacing |
12.5
/ 25 kHz (programmable) |
| Radiated
Spurious Emissions |
-57
dBm † |
Reference
Sensitivity
(12 dB SINAD) |
-119
dBm
(0.25 uV) †† |
| Adjacent
Channel Rejection |
50
dB |
| Spurious
Response Rejection |
50
dB |
| Intermodulation
Rejection |
50
dB |
| Audio
Frequency Response (variance from a true 6 dB per
octave de-emphasis curve referenced to 1 kHz, from
300 Hz to 3 kHz) |
+1
to -3 dB |
| Hum
and Noise Ratio |
34
dB |
| Audio
Distortion @ 500 mW |
5% |
| Audio
Squelch Sensitivity |
12
dB SINAD |
| Audio
Output |
500
mW |
*VHF
models not available in Canada
† FCC specifications, Part 15 & Part 90
†† Typical performance
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