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| Services Available | |
|---|---|
| Repair | No |
| Calibration | No |
| Free Support | No |
This E.F. Johnson, UHF, half-duplex transceiver supported the 403-430, 430-450, 450-470, or 470-512 frequencies. The RF200 required an FCC frequency assignment and a frequency-matched antenna and cable. It was powered by the data logger or an external rechargeable 12 Vdc power supply (5 Ahr minimum capacity). E.F. Johnson model 3410
| Quiescent Current Drain | 30 mA |
| Active Current Drain | 1500 mA |
| Operating Temperature | -30° to +60°C |
| Weight | 454 g (1.0 lb) |
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