| RAF Transmitter/Receiver sets Click on the image for full size view! |
| TGRI 5050 | |
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| Transmitter | T 1131 | |
| Receiver | R 1132 | |
| Power unit | 3, 4, 138 | |
| TR 9 |  |
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| Purpose | For single seater fighter aircraft, providing two-way communication 5 miles (air-to-air) and 35 (air-to-ground) | |
| Type of wave | R/T | |
| Frequency range | 6,0 Mc/s. to 4,3 Mc/s. | |
| Frequency stability | ||
| Power input | ||
| TR 1091 |  |
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| Purpose | Air-borne transmitter-receiver mounted on a common base. Built-in coils. Remotely controlled | |
| Main items | Transmitter T 1092 Receiver R 1093 |
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| Type of wave | C.W. M.C.W. and R/T. Receiver C.W. only on 2,000-3,400 kc/s. | |
| Frequency range | 1,539-1,222 kc/s. 3,409-2,000 kc/s. |
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| Frequency stability | Master-oscillator. Crystal-controlled on 2,000-3,409 kc/s. when adaptor, type 25 fitted. | |
| Power input | ||
| TR 1133 | ||
| Purpose | Airborne V.H.F. transmitter-receiver. Comprise Transmitter
T 1136A, Receiver R.1137A and Amplifier A 1135A. TR 1133A is 24-volt operated; TR 1133B is 12-volt |
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| Type of wave | R/T with M.C.W. for special circumstances | |
| Frequency range | 100 Mc/s. to 120 Me/s. in four "spot" frequencies | |
| Frequency stability | Quarts crystal controlled | |
| Power input | ||
| TR 1143 |  |
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| Purpose | Airborne communications equipment. Comprises transmitter type 17, receiver type 19 and amplifier type 18 | |
| Type of wave | R/T and M.C.W. (on special frequency) | |
| Frequency range | 100 to 124 Mc/s. | |
| Frequency stability | Crystal control, transmitter and receiver | |
| Power input | 265 watts (receive). 295 watts (transmit) on 12 or 24 volts | |
| TR-1196 | 
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| Purpose | Airborne equipment designed primarily for F. A. A. It may be applied to multi-seater aeroplanes by incorporating amplifier A 1134 or other suitable instrument. Embodies transmitter unit, type 22, receiving unit, type 25, either chassis assembly, type 7 with power unit, type 87, or chassis assembly. type 8, with power unit, type 104. | |
| Type of wave | R/T and M.C.W. | |
| Frequency range | 4.3 Mc/s. to 6.7 Mc/s. in maximum of four 'spot" frequency channels | |
| Frequency stability | Quartz crystal controlled | |
| Power input | Transmitter 250Volts, 60mA, HT; 6,3Volts, 1,3A;
heaters. Receiver 275Volts, 35mA, HT;n6,3Volts, 1,2A; heaters. |
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| TR 1430 | ||
| Purpose | Airborne VHF 8-channel communications, air to ground, with range up to 125 miles at 10.000ft. Provides intercom, for up to five positions. Remote controlled. | |
| Type of wave | R/T and M.C.W. | |
| Frequency range | 100 to 124 Mc/s. | |
| Frequency stability | Crystal control, transmitter and receiver | |
| Main items | Receiver type 68 Transmitter type 46 Amplifier type 381 Chassis assy type 14 Drive unit type 25 Relay unit type 103 |
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| TR 5043 |  |
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| SCR-522 | ||
| Purpose | Airborne transmitter-receiver desigend to provide two-way R/T communication between aircraft in flight and between aircraft and ground stations. Operates on any of the four-crystal-controlled channels. Selection of frequency is by remote control only, Used on naval aircraft. | |
| Type of wave | R/T | |
| Frequency range | 100 to 156 Mc/s. | |
| Frequency stability | Crystal control, transmitter and receiver | |
| Main items | Receiver type R 5019 Transmitter type T 5017 Rack type 5009 Case type TR-5043 |
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