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Desktop Speaker
Station Monitor
Station Control

General

HAM bands ? 160m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  11m (CB)  6m  10m  160m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  11m (CB)  6m  10m 
Freq. stability ? ? ?
Tuning steps ? ? ?

Receiver

RX-range - 1.8-54 MHz 160-6 m
Modulations - All mode   All mode  
Sensitivity ? 1/4" vertical deflection at 10 W (80-6m)
3/4" vertical deflection at 100 W (80-6m)
1/4" vertical deflection at 100 W (160m)
?
Selectivity ? ? ?
Filters ? ? ?
Receiver system ? ? ?
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output 3 W into 8 ohms ? ?

Transmitter

TX-range - ? 160-6 m
Modulations - All mode   All mode  
RF-output ? ? ?

Connections

Antenna - SO-239 SO-239 + Clamps / screws
Impedance ? 50/75Ω 50/75Ω
Other - - -

Electrical

Power req. ? Mains Mains
Current RX - 22 W max ?
TX - ? ?

Physical

Manufactured Between and Between 1985 and 198x in USA Between 19xx and 19xx in USA
Dimensions 133 × 108 × 280 mm
(5.24 × 4.25 × 11.02 in)
286 × 111 × 308 mm
(11.26 × 4.37 × 12.13 in)
254 × 171 × 279 mm
(10.00 × 6.73 × 10.98 in)
Weight ? 4.80 kg (10.6 lbs) 4.50 kg (9.9 lbs)
Form factor Base Station Base Station Base Station

Other features

Memories ? ? ?
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features ? ? Clock
Alarm
Accessories ? ? ?
MPN ICOM-SP-000021 HEATHKIT-HO-005404 HEATHKIT-SB-000630