Larkspur Wireless sender /Receiver SR C11/R210

These two units along with an ATU (Aerial Tuning/Matching Unit usually "Aerial tuning unit No 7") and control harness with usually an 8' whip implement a station. Regarded as part of the "Larkspur Era" model range. This station and also the interim C12 model replaced the WS 19 High power station.

Also known as "C11 Transmitter R210 Receiver"
or "Sender C11 Reception Set R210"

or "Station Radio C11/R201"

Modulation: AM and CW also Carrier FSK using an adaptor.

Range about 25 miles for voice and 50 miles for CW (mourse code) with output of 50 watts RF on high power (5-10 watts on low power).

The C11 is a Transmitter and R210 a Receiver. Usually combined with Larkspur Era  Wireless Control Harness type 'A' (rarely but 2 or more sets) or commonly type 'B'. Both  used with many other sets. The C11 includes intercom functionality. A Power supply unit and Aerial Matching unit also required.

Primarily intended for vehicle use.

Frequency Ranges

1. 2 to 4 MHz
2. 4 to 8 MHz
3. 8 to 16 MHz

Two power supply units were used, a 24 V dc unit (vehicles) and a 100-250 V ac unit (Fixed station).

Aluminium casing with handles, designed for parachute drop and carriage by mules.

Shower proof.

Here you find 152 models, 120 with images and 48 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from MILITARY U.K. (different makers for same model)