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Last modified 2022-01-13

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Cobra 18 Plus (By Dynascan)

A picture of Cobra 18 Plus (By Dynascan)

SPECIFICATIONS

GENERAL
Type:Citizen band transceiver
Frequency range:26.965-27.405 MHz
Channels / tuning steps:40
Mode:AM
Frequency control:PLL/CPU (SM5123A)
Frequency stability:0.005%
Clarifier or Delta tune:No
Power supply:13.8 VDC (Fixed power cord)
Current drain / power consumption:RX: 0.3-1.2 A
TX: Max 1.5 A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):159*56*216 mm (6.25*2.12*8.5")
Weight:1.47 Kg (3.25 lb)
Other features:PA. Channel 9 button.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 10.695 MHz
2nd IF: 455 KHz
Sensitivity:1 uV (10 dB S+N/N)
Selectivity: 7 KHz (-6 dB)
10 KHz (-60 dB)
Image rejection:
AF output power / speaker:3 W at 7% distortion / 16 ohm
External speaker connector:3.5 mm, 8 ohm




TRANSMITTER SECTION
RF output power:4 W
Modulation system:High- and low-level Class B amplitude
Max FM deviation (Factory set):No FM
Spurious emissions:Better than -? dB
Microphone impedance / connector:? ohm / 5-pin DIN (180)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Taiwan, 198x-199x (Discontinued)
Main PCB: PA-221AB by Uniden
Single sided
Sub PCBs:
Additional info:FCC ID: BBO9YR 18PLUS
Related documents: Service manual (5.2 MB)
PLL/CPU: SM5123A
Sams Photofact #:
Modifications and fixes:
Reviews:
Options / Accessories:
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An inside picture of Cobra 18 Plus (By Dynascan)
A rear picture of Cobra 18 Plus (By Dynascan)