I have several of these new & unused. More than I need as my modelling days come to an end. I use with the FrSky module for JR transmitters as shown. I wouldn't know if they're used with FrSky transmitters🤷
eBay
Frsky 5dBi Antenna and RF 70mm RP-SMA Connector For Frsky X9D Plus QX7 Transmitter
Aliexpress UK
Never really used. Can be easily replaced. Otherwise never used and like new, fully working. Will be paclaged well.
eBay
Frsky TANDEM X20R / X20RS Transmitter Radio Built-in TD-ISRM RS Dual-Band Internal RF Module 900M/2.4G TD/TW/ACCESS/ACCST D16
Aliexpress UK
The handset has not been heavily used and is in very good physical condition. The battery is the original NiMH 7.2V 6-cell item which has been sat in storage for a while. Otherwise it can be used as is (not sure on current battery life) or replaced with either another NiMH battery or with a newer LiPo.
eBay
FrSky 2.4G 2dB Module Antenna For DJT XJT DHT X9D Plus X-Lite Transmitter
Aliexpress UK
Details of SKU: 03010199. Its practicality extends to a battery bay accommodating a 2600mAh Li Battery (Not included), easily replaceable and featuring a Type-C port for recharging. Further enhancing its user-friendly design, the TWIN X14 introduces an attachable and foldable structure on the rear shell.
eBay
12pcs STAR POWER Radio Control Switch 7 Color Nut with 1pcs Wrench for RadioLink Futaba JR Frsky i6
Aliexpress UK
Details of SKU: 03010198. Further enhancing its user-friendly design, the TWIN X14 introduces an attachable and foldable structure on the rear shell. Different from standard active-standby redundancy solutions, the TW active-active protocol ensures both 2.4G frequency bands are actively engaged on the TWIN series RF module and receiver simultaneously.
eBay
10Pcs 15cm IPX4/IPX1 Receiver Antenna XM / XM Plus R-XSR compatible For RC FPV Drone Frsky Jumper Remote Controller Part
Aliexpress UK
Details of SKU: 03010150. The entire range of TD, ACCESS & ACCST D16 receivers are supported. The built-in TANDEM RF System supports ACCESS and ACCST D16 protocols. Internal RF Module: TANDEM. Backlit touchable LCD resolution: 480 320.
eBay
150mm 2.4g Receiver IPEX4 Interface Bluetooth Aircraft Model Remote Control Antenna High Sensitivity for Frsky JR Hitec Flysky
Aliexpress UK
DescriptionUsed but excellent condition, JR PCM 10 X Transmitter with case and digital converterPCM 10 X 10 channel transmitter body, includes NETJ120HS transmitter body with batteries. The batteries are untested and may need a charge (but no leaks). Good Design Award-winning SPCM specifications with the world's first full-metal full-body magnesium alloy body.The computer system with touch panel display is easy to operate and the screen is easy to read.
eBay
FrSky X6R 2.4G 16CH SBUS Receiver PCB Antenna Smart Port Data Return for Taranis X9D Jumper T16 T18 Radiomaster TX16S RC Drone
Aliexpress UK
Moreover, the R9 is also a redundancy receiver which can connect to another receiver to ensure the security of your aircraft. Compatibility : R9 series. Upgrade Interface: Smart Port. Long range, low latency and high precision RC system.
eBay
1/5/10/20PCS 78/120/220mm 2.4G T-type Antenna IPEX 1 IPEX1 for FPV Drone TBS CROSSFIRE FRSKY R9mm R9MX ELRS Nano EP1 RX Receiver
Aliexpress UK