TRC-457 AM/SSB CB Transceiver
(210-1580) Specifications Faxback Doc. # 46665
General:
Channels: ........................ 40 Channels for AM, Upper Side Band and
Lower Side Band, utilizing Digital Circuitry
Frequency Range: ................................ 26.965 MHz to 27.405 MHz
Frequency Control: ................. Digital (Phase Lock Loop) Synthesizer
Frequency Accuracy: ........................................... +/- 100 Hz
Operating Temperature Range: ....................... -20 to + 50 degrees C
Power Requirements: ................ 13.8V DC (12-16 volts DC, negative or
positive ground) or 120V AC (60 Hz)
Antenna: ...................................... 52 Ohm (Coaxial connector)
Microphone: ......................................... 600 Ohm Dynamic Type
Speaker: ................................................. 8 Ohm, 2.5 Watt
Clock: ........................................ Digital Type (solid state)
Size (HWD): ..................... 4 x 15 x 11.5 inches (10 x 38 x 29.2 cm)
Weight: ....................................... 16 lbs. (approx.) (7.3 kg)
Accessories: .............. AC Cord, DC Cord with in-line Fuse, Microphone
and Microphone Hanger and Mounting Brackets
Receiver:
Max Sensitivity: ........................................... AM 0.5 microV
SSB 0.25 microV
Sensitivity for 10 dB S/N: ....................... AM 0.5 microV or better
SSB 0.5 microV or better
AGC Figure of Merit 50 mV for 10 dB Change in Audio Output: ..... AM 90 dB
SSB 80 dB
Overload AGC Characteristics from 10 mV to 100 mV: ............ AM +/-3 dB
SSB +/-3 dB
Overall Audio Fidelity at 6 dB Down: ..................... 300 to 2,100 Hz
Adjacent Channel Selectivity: ................................... AM 70 dB
SSB 70 dB
Image Rejection (42.6 MHz): .................. Typically better than 80 dB
IF Rejection: ...................................................... 90 dB
Maximum Audio Output Power: ...................................... 5 Watts
Squelch Range: ................... AM - Adjustable from 0.5 microV to 1 mV
SSB - Adjustable from 0.25 microV to 1 mV
Receiver Clarifier Range: ......................... +/- 1.25 kHz, variable
Battery Drain at no Signal: ............................. Less than 700 mA
Battery Drain at Max. Output Power: ................... Less than 1,600 mA
AC Power Consumption: ............................ At no Signal = 40 Watts
At Max. Output Power = 60 Watts
Transmitter:
Max. Output Power: ........................................ AM 4 Watts FCC
SSB 12 Watts FCC
Spurious Emission: ....................................... 65 dB or better
Modulation Frequency Response: (1 kHz, 0 dB reference)
Lower at 450 Hz, EIA: ............ AM -6 dB
SSB -6 dB
Upper at 2.5 kHz, EIA: ............ AM -6 dB
SSB -6 dB
Microphone Sensitivity:
AM: For 50% Mod: ........................................... AM 0.4 mV
SSB: for 4 Watts PEP: ..................................... SSB 0.4 mV
Microphone Amplifier Circuit:
Dynamic Range: ............. AM 60 dB (between 98% and 80% modulation)
SSB 60 dB (between 12W P.E.P. and 10W P.E.P.)
Battery Drain: ............................ At no Modulation - AM/2,000 mA
SSB/1,600 mA
At Max. Output Power - AM/3,000 mA
SSB/2,500 mA
AC Power Consumption: ..................... At no Modulation - AM/65 Watts
SSB/45 Watts
At Max. Output Power - AM/100 Watts
SSB/100 Watts
Public Address Amplifier:
Maximum Output Power: ............................................ 6 Watts
WARNING: To prevent fire or shock hazard, do not expose this Transceiver
to rain or moisture.
Specifications are typical; individual units might vary. Specifications
are subject to change and improvement without notice.
(BR/gw 04/07/98)
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