Mizuho MX-21S

HF Transceiver

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The Mizuho MX-21S is a HF transceiver. It covers 15 m with 50 KHz per XTAL for both receive and transmit. The rig has a VXO receiver system with max 2 XTALS. RF output is 2 W. Power requirements are 9.5V DC. Dimensions are 142 × 66 × 39 mm. The weight is 645 gr with batteries included. Current drain is 68 mA in receive and a maximum of 600 mA in transmit.

General characteristics

HAM bands: ?
Frequency stability: ?
Tuning steps: ?
Memories: ?

Receiver

RX-range: 15 m (50 KHz per XTAL)
Modulations: CW SSB
Sensitivity: ?
Selectivity: ?
Filters: ?
Receiver system: VXO. Max 2 XTALS
IF-frequencies: ?
Image rejection: ?
Audio output: ?

Transmitter

TX-range: 15 m (50 KHz per XTAL)
Modulations: CW SSB
RF-output: 2 W

Connections

Antenna: -
Impedance: 50 Ω
Other: -

Electrical

Power requirements: 9.5V DC
Current drain RX: 68 mA
TX: Max 600 mA

Physical

Dimensions (w×h×d): 66 × 142 × 39 mm (2.60 × 5.59 × 1.54 in)
Weight: 645 gr (1.4 lbs) batteries included
Form factor: Unknown
Manufactured: Between 1983 and 2002 in Japan

Other features

Usage: Amateur / Ham radio operators
Features + options: -
Accessories: -
RigReference ID: 3592
MPN: MIZUHO-MX-000021S

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