A 53

is a South African manpack from the 70s.

Frequency range:

30 ... 49.975 MHz

Modulation:

FM

Frequency control:

Synthesizer

Frequency steps:

25 kHz

Channels:

800

Frequency switched by:

3 turning switches

HF Output:

1.5 W

Sensitivity:

0.4 uV

Powered by:

12 V interally or 11 to 16 V externally

Consumption:

Transmitting: 475 mA, Receiving: 80 mA

Antennas:

Blade antenna 1.5 m or shortened antenna oder 50-Ohm-connector

Squelch:

Voice Squelch , later models tone squelch