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Last modified 2022-02-13

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Royce 620 / 1-620 (T-28)

A picture of Royce 620 / 1-620

SPECIFICATIONS

GENERAL
Type:Citizen band transceiver
Frequency range:26.965-27.255 MHz
Channels / tuning steps:23
Mode:AM
Frequency control:XTAL-matrix
Frequency stability:0.005%
Clarifier or Delta tune:? KHz
Power supply:Mains: 117 VAC (Fixed power cord)
or 13.8 VDC (2-pin connector)
Current drain / power consumption:RX: ? mA
TX: ? A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):318*?*217 mm (12.5*?*8.56")
Weight:4.4 Kg (9.7 lb)
Other features:PA. Noise limiter.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: ? MHz
2nd IF: 455 KHz
Sensitivity:0.5 uV (10 dB S/N)
Selectivity:5 KHz (-6 dB), 10 KHz (-45 dB)
Image rejection:
AF output power / speaker:3 W at 10% distortion / 8 ohm
External speaker connector:




TRANSMITTER SECTION
RF output power:~3.5 W (5 W input)
Modulation system:
FM deviation (Factory set):No FM
Spurious emissions:Better than -50 dB
Microphone impedance / connector:500 ohm / 4-pin (Metal locking ring connector)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:1975-1976 (Discontinued)
Main PCB:
Sub PCBs:
Additional info:
Related documents:
Sams Photofact #:CB-84 (March 1976)
Modifications and fixes:
Reviews:
Options / Accessories:
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