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Last modified 2020-02-17

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Cobra 148 GTL DX (By Dynascan)

A picture of Cobra 148 GTL DX with silver faceplate (By Dynascan)


Type:Citizen band / "Freeband" / Export transceiver
Frequency range:26.515-27.855 MHz
Channels/tuning steps:120
Frequency control:PLL (Mk1: MB8719. Mk2: MC145106. Fake: PLL02A)
Frequency stability:0.001%
Power supply:11.7-15.9 VDC
Current drain/power consumption:RX: 300-700 mA
TX: Max 2.2 A
Antenna impedance/connector:50 ohm / SO-239
Dimensions (W*H*D):200*60*235 mm (7.88*2.38*9.25")
Weight:2.27 Kg (5 lbs)
Other features:NB/ANL. SWR-meter. Channel 9 switch.

Receiver system: Single conversion superheterodyne (SSB/CW)
IF: 10.695 MHz
Double conversion superheterodyne (AM/FM)
1st IF: 10.695 MHz
2nd IF: 455 KHz
Sensitivity: AM: 0.5 uV (10 dB S+N/N)
FM: 1 uV (20 dB S+N/N)
SSB/CW: 0.25 uV (10 dB S+N/N)
Selectivity: AM/FM: 3 KHz (-6 dB), 9 KHz (-50 dB)
SSB/CW: 2.1 KHz (-6 dB), 3.3 KHz (-60 dB)
Image rejection:65 dB
AF output power/speaker:4 W at ?% distortion / 8 ohm
External speaker connector:3.5 mm, 8 ohm

RF output power:AM/FM/CW: 5 W
SSB: 12 W (PEP)
Modulation system:AM: High and low level class B
FM: Variable capacitance
SSB: Balanced
FM deviation:? KHz
Spurious emissions:Less than -? dB
Microphone impedance/connector:? ohm / 4-pin (Metal screw ring connector)

Manufactured:Taiwan, 198x-199x (Discontinued)
Additional info: There appears to exist three versions of this radio:
Mk1 with a PC879 PCB
Mk2 with a PB010 PCB
A fake with a PCMA001S PCB
Related documents:User manual (961 KB)
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A picture of Cobra 148 GTL DX with black faceplate (By Dynascan)