The RF310 is a Midland VHF transceiver that supports the 148 to 174 MHz frequency range. This rugged transceiver can support up to 254 dataloggers on a single frequency. Each station can transmit up to 25 miles line-of-sight, and each station can act as a repeater to extend the transmission distance attainable by the network.
The RF310 is programmed by Campbell Scientific to the frequency assigned to you by your Federal Communications Commission (FCC) license. This frequency must be specified at time of order so that it can be programmed into your radios. An RF500M or RF310M modem is required for each radio, and an RF500M or RF310B is required at the base station. The base station also requires a programmed radio.
Features
- Supports the 148 to 174 MHz frequency range
- Meets NTIA narrowband and FCC refarming requirements for transmission
- Supports up to 16 channels
- Transmits up to 25 miles line of sight
- Compatible with our CR800, CR850, CR1000, CR3000, CR7, CR500, CR510, CR10(X), 21X, and CR23X dataloggers
Specifications
- Frequency error: <0.5 kHz VHF nominal; -5.0 ppm VHF extreme
- Frequency deviation: 25 kHz channel spacing -5.0 (peak ), -3.8 (minimum); 12.5 kHz channel spacing -2.5 (peak), -1.9 (minimum)
- Audio frequency response (within +1/-3 dB of 6 dB octave): at 300 Hz to 2.55 kHz for 12.5 kHz; at 300 Hz to 3.0 kHz for 25 kHz
- Adjacent channel power: 25 kHz <70 dBc at nominal conditions; 12.5 kHz <60 dBc at nominal conditions
- Dimensions: 1.2" x 2.4" x 4.6" (3.0 cm x 6.2 cm x 11.8 cm)
- Weight: 0.6 lbs (253 g)
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