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Last modified 2026-07-29

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President Walker IV FCC (TXUS770)

A picture of President Walker IV FCC (TXUS770)

SPECIFICATIONS

GENERAL
Type:Citizen band transceiver
Frequency range: CB: 26.965-27.405 MHz
WX: 162.400-162.550 MHz (RX only)
Channels / tuning steps: CB: 40 regular + five P-channels
NOAA WX: 7
Mode:AM / FM
Frequency control:PLL
Frequency stability:?%
Clarifier or Delta tune:No
Power supply:13.8 VDC (Male 3-pin jack)
Current drain / power consumption:RX: 180-500 mA
TX: Less than 2 A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):185*56*172 mm (7.28*2.2*6.77")
Weight:1.2 Kg (2.64 lb)
Other features: PA. ANL/NB. ASC. Scanning. USB-C charging port (PD up to 2.22 A).
Talkback. Roger beep. Tone hi-cut. VOX. Seven selectable backlite colors.
Dimmer. NOAA wether alert. SWR meter. Two programmable emergency
channels. Glow mode (Backlit faceplate). RX/TX noise reduction (NRC).




RECEIVER SECTION
Receiver system: ? conversion superheterodyne
Sensitivity: AM: 0.5 uV (20 dB SINAD)
FM: 0.3 uV (20 dB SINAD)
Squelch sensitivity:0.2 uV (Threshold)
1 mV (Tight)
Selectivity:60 dB (Adjacent channel)
Image rejection:60 dB
AF output power / speaker:3 W at ?% distortion / ? ohm
External speaker connector:TS "Minijack" (3.5 mm), 8 ohm




TRANSMITTER SECTION
RF output power: AM: 4 W
FM: 4 W
Modulation system:
Max AM modulation (Factory set):?%
Max FM deviation (Factory set):±? KHz
Spurious emissions:Better than -54 dB
Microphone impedance / connector:? ohm / 6-pin (Male GX16 locking ring jack)
Microphone input level:3 mV (No reference)




MISCELLANEOUS
Manufactured:China, 2026-202x
Main PCB:
Sub PCBs:
Additional info:
Related documents: User manual (2.1 MB)
Known markets and approvals: Canada
IC: 20240-PC221
USA
FCC ID: 2AEOCPC221
Sams Photofact #:None
Modifications and fixes:
Reviews:
Options / Accessories:
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