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VHF-FM transceiver
Monitoring Scope

General

HAM bands 2m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  11m (CB)  6m  10m 
Freq. stability ± 2.5 p.p.m. ?
Tuning steps 2.5 / 5 / 6.25 / 8.33 / 10 / 12.5 / 15 / 25 / 30 / 50 kHz ?

Receiver

RX-range 136-174 MHz 3.5-54 MHz
Modulations FM   N-FM   GMSK   All mode  
Sensitivity FM: 0.25 µV
FM-N: 0.35 µV
60 mV / 1/4" deflection (horizontal and vertical)
Selectivity ? ?
Filters 12.5 / 20 / 25 kHz ?
Receiver system ? ?
IF-freqs. ? ?
Image rejection ≥ 70 dB ?
Audio output > 2 W @ 10% ?

Transmitter

TX-range 136-174 MHz ?
Modulations FM   N-FM   GMSK   All mode  
RF-output 60/25/10 W ?

Connections

Antenna SO-239 SO-239
Impedance 50Ω 50Ω
Other - -

Electrical

Power req. 13.8V DC ±15% Mains (120-240 V AC)
Current RX ? 25 W
TX ? ?

Physical

Manufactured Between 2014 and 20xx Between 1974 and 197x in USA
Dimensions 145 × 47 × 190 mm
(5.71 × 1.85 × 7.48 in)
?
Weight 1.20 kg (2.6 lbs) ?
Form factor Mobile Base Station

Other features

Memories 200 channels in 1 bank(s) ?
Usage Amateur / Ham radio operators Amateur / Ham radio operators
Features Carrier/CTCSS/DCS/5Tone/2Tone/DTMF ?
Accessories ? ?
MPN ALINCO-DR-000138 HEATHKIT-SB-000614