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Whistling Frog Productions

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HCJB Global Voice

HCJB Global Hands

FM Transmitters

Under license from HCJB Global, International Radio and Electronics Corporation (owner of Crown Broadcast, a division of IREC) produces 30-, 100-, 250-, 500-, 1000-watt, and 2000-watt transmitters, which were designed by HCJB Global engineers .

Each of these transmitters incorporates audio processing, as well as stereo and RF generation, in a compact rugged chassis. The number portion of each name represents the maximum RF output power. The FM250, for example, can generate up to 250 watts of RF power.

These transmitters were developed to meet the need for high-quality, portable FM broadcast stations. Features include:

• Integrated audio processing, stereo generation, and RF generation without compromised signal quality
• Built-in metering and diagnostics
• Versatile AC operation (100, 120, 230 or 240VAC; 50/60Hz) and battery operation
• Long-term stability and reliability in harsh environments
• Field selection of operating frequency
• Setup and operating verification with minimal test equipment
• State-of-the-art technology and worldwide standards compliance

The transmitters are small enough to fit into suitcases. When you add an audio source (monaural, L/R/ stereo, or composite signal), antenna, and AC or DC power, the transmitter becomes a complete FM stereo broadcast station capable of serving a city. These transmitters will reach a radius of 35 miles (56 kilometers) or more. In addition, a booster amplifier can be added to multiply the power output. They are frequently used in our Radio Planting ministry.