| General Specifications | ||
| Maxon VHF SD-125V2 | Maxon UHF SD-125U1/2 | |
| Frequency Range | 148-174 MHz | 440-470 MHz U2 400-430 MHz U1 |
| FCC ID Number | F3JSD125V2 | F3JSD125U1 (U2) |
| FCC Parts | Parts 22, 74, 90, 210 | |
| Channels | 1 to16 dip switch selectable | |
| Channel Spacing | 12.5 / 15 / 25 / 30 KHz | |
| Channel Stepping |
5 & 6.25 KHz |
|
| Channel Spread | 26 MHz | 30 MHz |
| Frequency Stability |
±5.0 ppm |
±2.5 ppm |
| Operating Temperature |
-22° to +140° F (-30° to + 60° C) |
|
| Storage Temperature |
-40° to +176° F (-40° to + 80° C) |
|
| Input Voltage |
9V - 18V DC, 13V nominal |
|
| Current Drain @9V |
56 mA Standby / 73 mA Rx / 1.8A Tx |
|
| Current Drain @13V | 42 mA Standby / 63 mA Rx / 1.4A Tx | |
| Current Drain @18V |
32 mA Standby / 58 mA Rx / .9A Tx |
|
| Operating Rating |
90 : 5 : 5 - Standby/Rx/Tx [max settings] |
|
| Dimensions [HWD] |
4 5/8" x 2 7/16" x 1 3/16" [117 x 62 x 30 mm] |
|
| Weight |
7.7 oz [218 gm] |
|
| Materials |
Die-cast Aluminum |
|
| IC Certification Number |
153 195 332 |
153 195 333A |
| Receiver Specifications | ||
| Maxon VHF SD-125V2 | Maxon UHF SD-125U1/2 | |
| Frequency Stability | ±5 PPM | ±2.5 PPM |
| Sensitivity (12dB SINAD) | 0.28 uV VHF | 0.35 uV UHF |
| Sensitivity (20dB Quieting) | < 0.5 uv @ center channel | |
| Selectivity | 60dB (25 KHz) / 50dB (12.5 KHz) | |
| Spurious Rejection |
-70dB |
|
| Intermodulation |
-65dB |
|
| Audio Output |
2.5V @ 600 Ohms; method < 10% THD level |
|
| Audio Distortion |
< 5% @ 1 KHz |
|
| Hum & Noise |
-40 dB |
|
| Input Impedance | 50 ohms | |
| Transmitter Specifications | ||
| Maxon VHF SD-125V2 | Maxon UHF SD-125U1/2 | |
| RF Power Output. |
1 or 5 Watts per channel |
|
| Frequency Stability | ±5 PPM | ±2.5 PPM |
| Modulation | 11K0F3E / 16K0F3E / 19K6F3E | |
| Spurious & Harmonics | -60dBc | |
| FM Hum & Noise |
-40dB |
|
| Audio Distortion | <10% @ rated modulation | |
| Modulation Limiting | 2.5 KHz max. [12.5 KHz] , 5 KHz max. [25 KHz] | |
| Modulation Sensitivity | 100 mV RMS @ 60% peak dev. | |
