GPS Antenna |  |  |  |
| Product Type | X830B | M827U, M820U, M812U, M826S | L827U,L820U,L812U,L826S |
| Frequency | 1575.42MHz ±3MHz | 1575.42 ± 3 MHz | 1575.42 ± 3 MHz |
| Peak Gain at 0° (7cm x 7cm ground plane) | 4dBic Min. | 4dBic Min. | 4dBic Min. |
| Amplifier Gain without cable | 27dB@2.7VDC / 36dB@6VDC | 14~29dB depend on model | 14~29dB depend on model |
| Noise Figure | 1.5dB Typ. | 0.9 dB max. | 0.9 dB max. |
| DC Voltage | 2.7 to 6 V | DC 2.7 ~ 5.5V | DC 2.7 ~ 5.5V |
| DC Current | 9.5±2.5mA | 3~6mA or 6~11mA depend on model | 3~6mA or 6~11mA depend on model |
| Housing Material | ABS | ABS+PC | PC |
| Weight(without Cable) | 32 grams max. | 42 grams max. | 46 grams max. |
| Dimension | 36 x 36 x 13.9mm | 48 x 40 x 13mm | 50 x 50 x 17mm |
| Waterproof | IP67 | IP56 | IP56 |
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