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Last modified 2023-10-02

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Standard C-228A

A picture of Standard C-228A

SPECIFICATIONS

GENERAL
Type:Amateur VHF transceiver
Frequency range: USA
TX: 144-148 / 220-225 MHz (1.25 m)
RX: 130-175 / 200-245 MHz
Tuning steps:5 / 10 / 12.5 / 20 / 25 / 50 / 100 KHz
Frequency stability:? ppm
Mode:FM
Channels / memory management: 20 regular (10 per band). Expandable to 40 with some limitations
1 call
RAM storage with lithium battery backup
Repeater shift / offset:2 m: 0-39.995 MHz (600 KHz default)
1.25 m: 0-39.995 MHz (1.6 MHz default)
Power supply:6-12 VDC (Depending on battery pack)
or 6-16 VDC external (Barrel connector, center negative)
Current drain / power consumption:RX: 36-70 mA (Squelched)
TX: 0.48-1.2 A
Antenna impedance / connector:50 ohm / BNC
Dimensions (W*H*D):67*159*35 mm (2.6*6.25*1.4")
Weight:479 g (16.9 oz), with antenna and CNB151
Other features: Crossband repeater. DTMF. Backlit display. Memory cloning via DTMF.
Tone scan (requires optional CTN520). Twin RX.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 21.8 MHz (2 m) - 23.05 MHz (1.25 m)
2nd IF: 455 KHz
Sensitivity:0.16 uV (12 dB SINAD)
Selectivity:
Image rejection:
AF output power / speaker:200 mW at 10% distortion / 8 ohm
External speaker connector:




TRANSMITTER SECTION
RF output power:

HighMidLow
2 m:2.8-5 W2.5 W350 mW
1.25 m:2.5-5 W2.5 W350 mW

The high power setting depends on voltage / battery pack.
Modulation system:Reactance
Max FM deviation (Factory set):5 KHz
Spurious emissions:Better than -60 dB
Microphone impedance / connector:600 ohm / ?-conductor
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 1990-199x (Discontinued)
Additional info:
Related documents:User manual (1.8 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
CHP111
CLC520
CLC521
CMA111
CMP111
CNB150
CNB151
CNB152
CNB153
CSA160A
CTN520
CWC150A
Headset with mike and PTT
Regular carrying case. For use with CNB151
Large carrying case. For use with CNB152 or CNB153
Mobile bracket
Speaker-microphone
Compact NiCd battery pack. 7.2 V, 400 mAh
Standard NiCd battery pack. 7.2 V, 700 mAh
High power NiCd battery pack. 12 V, 600 mAh
Long-life Nicd battery pack. 7.2 V, 1000 mAh
Automatic desktop rapid charger. For all above battery packs
CTCSS/PL encoder/decoder unit
Wall charger. For 7.2 V battery packs only