Tech/Antenna/antenna-DAT.md
... ...
@@ -15,4 +15,30 @@ https://www.electrodragon.com/product/5pcs-2-4g-cable-type-antenna/
15 15
16 16
https://www.electrodragon.com/product/pcb-build-antenna-4g-gsm-3g-wcdma-gprs/
17 17
18
-### RF antenna: 315Mhz, 433MHz, 868MHz, 915MHz
... ...
\ No newline at end of file
0
+SMA antenna 3 Meters
1
+https://www.electrodragon.com/product/gps-magenatic-active-external-antenna-3m/
2
+
3
+SMA small-size antenna
4
+https://www.electrodragon.com/product/quad-band-cellular-duck-antenna-sma/
5
+
6
+### RF antenna:
7
+
8
+- common apps: LORA, NBIOT
9
+- common bands: 315Mhz, 433MHz, 470Mhz, 490Mhz, 868MHz, 915MHz
10
+
11
+spring coil antenna
12
+https://www.electrodragon.com/product/spring-coil-antenna-433-mhz/
13
+
14
+
15
+### GPS antenna
16
+
17
+ceramic mini antenna
18
+https://www.electrodragon.com/product/gps-ceramic-antenna-build/
19
+
20
+large outdoor antenna
21
+https://www.electrodragon.com/product/gsm-magenatic-external-antenan-3m-5dbi/
22
+
23
+
24
+## ref
25
+
26
+- [[antenna]]
... ...
\ No newline at end of file