Nagoya has taken another step to limit counterfeit listings. Handheld Radio Antennas arrive in a Green Poly Bag (with rounded corners), a bag printed barcode (might be covered by Amazon barcode), and the BTECH Logo Seal

This is the Original Nagoya NA-771 Dual Band High Gain Antenna, beware of the counterfeit copies of noted by their "Blue Logo" design or poorer quality (cheaper build and performance)

This antenna is almost 16 inches long and is a must for outdoor and camping usage. This is a soft flexible antenna able to withstand more 'roughness' than a stock radio antenna, all while boosting the signal of your radio significantly!

Specifications:
Frequency: 144/430MHz
Gain: 2.15dBi
Max power: 10 Watts
VSWR : Less 1.5:1
Impedance: 50 OHM
Connector: SMA-F
Length: 39.6 cm (~15.6 inches)
Impedance : 50 ohms
RoHS Compliant

Package:
1x Nagoya NA-771 Booster Antenna
1x Rubber spacer

Compatible with:

BTECH:
GMRS-V1 (NA-701C Ideal for GMRS), MURS-V1 (NA-701C Ideal for MURS) – The NA-320A Antenna is recommended for the UV-5X3

BaoFeng:
BF-F8HP, UV-82HP, UV-82 Series, UV-5R (All models), and all others

And any other radio that uses the SMA-FEMALE Connection