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Desktop VHF/UHF Scanner / receiver
Handheld CB Transceiver
Mobile VHF/UHF Scanner / receiver

General

HAM bands ? 11m (CB)  2m 
Freq. stability ? ? ?
Tuning steps 5 / 12.5 kHz Channelized ?

Receiver

RX-range 29-54 / 137-174 / 406-512 MHz 26.965-27.405 MHz 70-90 / 144-174 MHz
Modulations FM   AM   -
Sensitivity 29 - 54 MHz: 0.5 µV
137 - 174 MHz: 0.8 µV
406 - 512 MHz: 0.6 µV
(20 dB S/N with 3 kHz deviation for FM)
? ?
Selectivity +/- 9 kHz (-6 dB)
+/- 15 kHz (-50 dB)
? ?
Filters ? ? ?
Receiver system Double conversion superheterodyne ? XTAL
IF-freqs. 1st: 10.85 MHz
2nd: 450 kHz
? ?
Image rejection ? ? ?
Audio output 850 mW max ? ?

Transmitter

TX-range - 26.965-27.405 MHz -
Modulations - AM   -
RF-output ? 4 W ?

Connections

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

Electrical

Power req. 10V DC or mains 13.8 V DC ? V DC
Current RX ? ? ?
TX - ? -

Physical

Manufactured Between 199x and 199x Between 19xx and 19xx Between 197x and 19xx
Dimensions 235 × 57 × 170 mm
(9.25 × 2.24 × 6.69 in)
? ?
Weight 538 gr (1.2 lbs) ? ?
Form factor Base Station Mobile Mobile

Other features

Memories 30 channels in 3 bank(s) @ 15 channels/second 40 channels in 1 bank(s) 16 channels in 1 bank(s)
Usage Amateur / Ham radio operators Citizen Band (27Mc) Amateur / Ham radio operators
Features Direct Entry Programmable Scanner ? 8 VHF / 8 UHF channels
Accessories ? ? ?
MPN 20-415 ROBERTS-RCB-000040 PUMA-000200