VANGUARD

For Digital mode:

For Analog mode:

Specification

Model	Vanguard
Items	UHF	VHF
Channel Zone	16
Total channel Capacity (512)	256 (Analog) 256 (Digital)
Frequency range	400 – 480MHz	136 – 174MHz
Antenna impedance	50Ω
Dimension(HxWxD)	97x58x40mm
Weight (W/battery)	270g
Li-ion battery	2300mAh
Rated voltage	DC: 7.4V
Battery:	The averange battery life under 5/5/90 duty cycle, and using carrier squelch and TX high power. 1500mAH Li-ion battery Analog: 10.6 hours / Digital: 14.3hours

Note: The battery working life may have little difference.
Battery capacity maybe change without notive, but the list is standard specification.

Frequency	400-480MHz	136-174MHz
Channel spacing	12.5 \kHz / 25kHz
Frequency stability (-30°C , +60°C, +25°C)	+ / – 1.5ppm
Low Power	1W
High Power	5W
Modulation restriction	±2.5kHz!12.5kHz/±5.0kHz@25kHz
FM hum & noise	-40dB@12.5kHz/-45dB@25kHz
Conducted/radiated emission	-36dBm<1GHz/-30dBm>1GHz
Adjust channel selectivity	-60dB@12.5kHz/-65dB@25kHz
Audio Response	+1, -3dB
Audio Distortion	3%
FM modulation	12.5kHz: 11K0F3E 25kHz: 16K0F3E
4FSK digital modulation	12.5kHz data: 7K60F1D and 7K60FXD 12.5kHz audio: 7K60F1E and 7K60FXE 12.5kHz data and audio: 7K60F1W
Digital vocoder	AMBE+2^TM
Digital agreement	ETSI-TS102 361-1, -2, -3

Frequency	400-480MHz	136-174MHz
Channel spacing	12.5 \kHz / 25kHz
Frequency stability (-20°C , +60°C, +60°C)	+ / – 1.5ppm
Analogue Sensitivity (12 dB SINAD)	0.3uV / 0.25uV
Digital sensitivity (5% BER)	0.25uV / 0.20uV
Intermodulation	65dB
Adjust channel selectivity	60dB@12.5kHz / 65dB@25kHz
Spurious rejection	65dB
Rated audio	800mw
Audio distortion @rated audio	3%
FM hum & noise	-40dB@12.5kHz / -45dB@25kHz
Audio response	+1, -3dB
Conducted / radiated emission	-57dBm

Precisely and standard designed for a long-term positioning (95% value > could

find 5 satellites @ rated -130dBm signal strengh

TTFF (time to fist fix) cold start	< 1 min
TTFF (time to fist fix) warm start	< 10 s
Horizontal position accuracy	< 10 ms